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World After Coronavirus

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Coronavirus too shall pass and we will live a bright new normal. Plenty of habits will change, and we’ll value the little things. To understand how the world will work after the pandemic, use this template to share your knowledge with your audience!

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Challenges and Opportunities in the Post-COVID-19 World

presentation on world after covid 19 slideshare

The COVID-19 crisis has affected societies and economies around the globe and will permanently reshape our world as it continues to unfold. While the fallout from the crisis is both amplifying familiar risks and creating new ones, change at this scale also creates new openings for managing systemic challenges, and ways to build back better. This collection of essays draws on the diverse insights of the World Economic Forum’s Global Risks Report Advisory Board to look ahead and across a broad range of issues – trade, governance, health, labour, technology to name a few – and consider where the balance of risk and opportunity may come out. It offers decision-makers a comprehensive picture of expected long-term changes, and inspiration to leverage the opportunities this crisis offers to improve the state of the world.

World Economic Forum reports may be republished in accordance with the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License , and in accordance with our Terms of Use .

Further reading All related content

presentation on world after covid 19 slideshare

Will COVID-19 change how we think about migration and migrant workers?

Migrant workers are key to the pandemic response, but the focus on health security could have long-term implications for migrants and migration policy.

presentation on world after covid 19 slideshare

The COVID-19 pandemic is not a break for nature – let’s make sure there is one after the crisis

Nature is facing increased pressure due COVID-19 crisis – and to our health and our economy, governments must also prioritize healing our planet, too.

Infographic: How has the world changed since COVID-19?

presentation on world after covid 19 slideshare

One year ago, the World Health Organization (WHO) declared COVID-19 a pandemic. The microscopic coronavirus has, in one way or another, changed the lives of all 7.8 billion people on Earth.

While the long-term impact of this global health crisis may take years to understand, its immediate effect has already changed the world as we know it. In the following infographics, we break down the latest figures and reports to help you understand the pandemic’s global repercussions.

Keep reading

Amid global polarisation, the pandemic agreement encourages cooperation amid global polarisation, the pandemic ..., will the us unemployment rate continue at historic lows will the us unemployment rate continue ..., mexico’s teachers seek relief from pandemic-era spike in school robberies mexico’s teachers seek relief from ..., ‘a bad chapter’: tracing the origins of ecuador’s rise in gang violence ‘a bad chapter’: tracing the origins of ....

For each topic, we looked at the most complete and reliable datasets available on a global level. The numbers are often presented as averages across a country, so it is important to remember that averages may mask inequalities, especially when dealing with underreported areas or populations at risk.

Leading causes of death

At least 2.7 million people worldwide have died from COVID-19. While the leading global causes of death for 2020 have not been published yet, compared to 2019, COVID ranks among the top five biggest killers.

In 2019, 55.4 million people died across the globe. Heart disease killed the most people (8.9 million) followed by strokes (6.2 million) and lung disease (3.2 million). Collectively these are known as non-communicable diseases, meaning they are not transmitted between people. In contrast, the highly contagious coronavirus is a communicable disease.

The graphic below shows how one year of coronavirus deaths compares to the leading causes of death in 2019.

presentation on world after covid 19 slideshare

In the US, the country with the highest number of COVID-19 deaths, data from the Centers for Disease Control and Prevention shows that the coronavirus has killed more Americans in one year (540,000) than the flu has in the last 10 years combined (368,000).

presentation on world after covid 19 slideshare

Mental health

The WHO estimates that nearly one billion people worldwide are living with a mental disorder. In 2019, 703,000 people took their own lives , making suicide the 17th-most common cause of death. Despite that, countries spend only about 2 percent of their national health budgets on mental health.

The UN has warned that the COVID-19 pandemic will likely cause a long-term increase in the number and severity of mental health problems. The evidence regarding the mental health consequences of lockdowns and social distancing is still being studied. While we have no large-scale data on the effect COVID-19 has had on mental health globally, several smaller studies ( PDF ) indicate higher rates of anxiety and depression.

Below are five tips by Dr Devora Kestel , director of the Department of Mental Health and Substance Abuse at the WHO, on protecting our mental health.

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Worldwide lockdowns

By definition, a pandemic is a worldwide spread of a disease. It is estimated that more than two-thirds of the world population has experienced lockdown measures, lasting from weeks to months.

According to data compiled by the Oxford COVID-19 Government Response Tracker, more than 100 countries and territories in 2021 have reintroduced stay-at-home orders with some exceptions such as for essential trips, daily exercise or grocery shopping.

The graphic below summarises the duration of nationwide lockdowns over 12 months (January 16, 2020 – January 15, 2021).

presentation on world after covid 19 slideshare

Trillions lost

According to World Bank estimates, the global economy shrank by 4.3 percent in 2020, wiping out trillions of dollars. Countries already facing economic hardship sank further into debt. A report by Oxfam International ( PDF ) estimates that it could take more than a decade for the world’s poorest to recover from the economic fallout of the pandemic.

On the upside, the World Bank expects the global economy to expand by 4 percent in 2021 with vaccine rollouts and investments leading the recovery.

The graphic below shows the effect COVID-19 had on the global economy. Every major economy except for China’s shrank over the course of 2020. Other countries that saw their gross domestic product (GDP) grow include Bangladesh (2 percent), Benin (2 percent), Burundi (0.3 percent), Egypt (3.6 percent), Ethiopia (6.1 percent), Ghana (1.1 percent), Guinea (5.2 percent), Guyana (23.2 percent), Ivory Coast (1.8 percent), Myanmar (1.7 percent), Nepal (0.2 percent), Niger (1 percent), South Sudan (9.3 percent), Tajikistan (2.2 percent), Tanzania (2.5 percent), Turkey (0.5 percent), Uzbekistan (0.6 percent) and Vietnam (2.8 percent).

This by no means suggests that these countries were better off after the coronavirus, several of them were projected to achieve even higher growth before the pandemic with otheried relying on lending to prop up their economies.

presentation on world after covid 19 slideshare

Global poverty and unemployment

The coronavirus has disproportionately affected the poor. For the first time in 20 years, global poverty is likely to increase significantly. The World Bank estimates the coronavirus has pushed between 119 and 124 million people into extreme poverty, making the total number of people living on less than $1.90 a day to 730 million, about 10 percent of the world’s population.

presentation on world after covid 19 slideshare

In 2020, 114 million people lost their jobs, according to the latest unemployment figures from the International Labour Organization (ILO). But official figures alone is not enough to measure joblessness. As the ILO points out, many more workers have fallen into “economic inactivity”, meaning they had to withdraw from the labour force. Many more may still be employed but operating with reduced working hours or pay cuts.

Women and younger workers have been among the hardest hit, prompting concerns over widening gender inequality and a lost generation of workers.

In addition, the  UN Development Programme has   warned that nearly half of all jobs in Africa could be wiped out due to the pandemic.

presentation on world after covid 19 slideshare

The rich got richer

A report ( PDF ) released by Oxfam International, a UK-based charity, said the pandemic hurt people living in poverty more than the rich. The most severely affected are women, Black people, African-descendants, Indigenous peoples, and historically marginalised and oppressed communities around the world, the report said.

To put that income inequality in perspective, a report ( PDF ) by Swiss Bank UBS, found that the world’s richest people got $3.9 trillion richer between March and December 2020. The 10 richest billionaires made $540bn during this time.

Many of the world’s richest men, including Elon Musk (US), Zhong Shanshan (China) and Mukesh Ambani (India), saw their wealth more than double since the pandemic was declared.

presentation on world after covid 19 slideshare

1.7 billion students out of school

In 2020, school and university closures disrupted the education of more than 1.7 billion students from 188 countries, or about 99 percent of the world’s student population, according to UNESCO.

Today, nearly 900 million students, more than half the world’s student population, continue to face heavy education disruptions, ranging from school closures in 29 countries to reduced or part-time classes in 68 others, according to the latest data from UNESCO.

presentation on world after covid 19 slideshare

While online schooling played allowed classes to continue virtually, the UN estimates that nearly 500 million children, especially in poorer countries or rural areas, have been excluded from remote learning due to a lack of technology or policies.

Oxfam estimates that the pandemic will reverse the last 20 years of global progress on girls’ education, further increasing poverty and inequality.

presentation on world after covid 19 slideshare

Worst year for air travel

In 2019, more than 4.5 billion passengers took 38 million flights worldwide. With lockdowns and quarantines for most of 2020, many cancelled or postponed travel plans.

International passenger demand in 2020 dropped by 75.6 percent compared to 2019, according to the International Air Transport Association.

Global flight-tracking service Flightradar24 also recorded a 42-percent dip in commercial flights from 2019. Many airlines were forced to operate cargo-only flights to keep supermarket shelves stocked and online orders fulfilled.

presentation on world after covid 19 slideshare

Lockdowns from space

On the left are images taken pre-lockdown, contrasted with lockdown images taken in March 2020 to show the pandemic’s effect had on cities worldwide. Unprecedented lockdowns emptied streets, disrupted travel and slowed economic activity – temporarily slashing air pollution.

Below we see how Mecca, Wuhan and Venice all saw a sharp decline in visitors a few weeks into the pandemic. See satellite images from more cities here .

presentation on world after covid 19 slideshare

Pollution levels

In the first weeks of COVID lockdowns, there were reports of clearer and less polluted skies. For example, residents of Venice, Italy, reported clear running water in its normally bustling canals for the first time in years.

However, this seems to have been short-lived. A recent report by the International Energy Agency found that while global energy-related CO2 emissions fell overall by 5.8 percent in 2020 – the largest annual percentage decline since World War II – the latest data shows global CO2 pollution bounced back to pre-COVID levels.

Professor Ralph Keeling, head of the Scripps CO2 programme, explained the situation back in May 2020: “People might be surprised to hear that the response to the coronavirus outbreak has not done more to influence CO2 levels. The build-up of CO2 is a bit like trash in a landfill. As we keep emitting, it keeps piling up.”

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Humankind is now facing a global crisis. Perhaps the biggest crisis of our generation. The decisions people and governments take in the next few weeks will probably shape the world for years to come. They will shape not just our healthcare systems but also our economy, politics and culture. We must act quickly and decisively. We should also take into account the long-term consequences of our actions. When choosing between alternatives, we should ask ourselves not only how to overcome the immediate threat, but also what kind of world we will inhabit once the storm passes. Yes, the storm will pass, humankind will survive, most of us will still be alive — but we will inhabit a different world. 

Many short-term emergency measures will become a fixture of life. That is the nature of emergencies. They fast-forward historical processes. Decisions that in normal times could take years of deliberation are passed in a matter of hours. Immature and even dangerous technologies are pressed into service, because the risks of doing nothing are bigger. Entire countries serve as guinea-pigs in large-scale social experiments. What happens when everybody works from home and communicates only at a distance? What happens when entire schools and universities go online? In normal times, governments, businesses and educational boards would never agree to conduct such experiments. But these aren’t normal times. 

In this time of crisis, we face two particularly important choices. The first is between totalitarian surveillance and citizen empowerment. The second is between nationalist isolation and global solidarity. 

Under-the-skin surveillance

In order to stop the epidemic, entire populations need to comply with certain guidelines. There are two main ways of achieving this. One method is for the government to monitor people, and punish those who break the rules. Today, for the first time in human history, technology makes it possible to monitor everyone all the time. Fifty years ago, the KGB couldn’t follow 240m Soviet citizens 24 hours a day, nor could the KGB hope to effectively process all the information gathered. The KGB relied on human agents and analysts, and it just couldn’t place a human agent to follow every citizen. But now governments can rely on ubiquitous sensors and powerful algorithms instead of flesh-and-blood spooks. 

l Colosseo - Roma webcams of Italy project. by Graziano Panfili

In their battle against the coronavirus epidemic several governments have already deployed the new surveillance tools. The most notable case is China. By closely monitoring people’s smartphones, making use of hundreds of millions of face-recognising cameras, and obliging people to check and report their body temperature and medical condition, the Chinese authorities can not only quickly identify suspected coronavirus carriers, but also track their movements and identify anyone they came into contact with. A range of mobile apps warn citizens about their proximity to infected patients. 

About the photography

The images accompanying this article are taken from webcams overlooking the deserted streets of Italy, found and manipulated by Graziano Panfili, a photographer living under lockdown

This kind of technology is not limited to east Asia. Prime Minister Benjamin Netanyahu of Israel recently authorised the Israel Security Agency to deploy surveillance technology normally reserved for battling terrorists to track coronavirus patients. When the relevant parliamentary subcommittee refused to authorise the measure, Netanyahu rammed it through with an “emergency decree”.  

You might argue that there is nothing new about all this. In recent years both governments and corporations have been using ever more sophisticated technologies to track, monitor and manipulate people. Yet if we are not careful, the epidemic might nevertheless mark an important watershed in the history of surveillance. Not only because it might normalise the deployment of mass surveillance tools in countries that have so far rejected them, but even more so because it signifies a dramatic transition from “over the skin” to “under the skin” surveillance. 

Hitherto, when your finger touched the screen of your smartphone and clicked on a link, the government wanted to know what exactly your finger was clicking on. But with coronavirus, the focus of interest shifts. Now the government wants to know the temperature of your finger and the blood-pressure under its skin. 

The emergency pudding

One of the problems we face in working out where we stand on surveillance is that none of us know exactly how we are being surveilled, and what the coming years might bring. Surveillance technology is developing at breakneck speed, and what seemed science-fiction 10 years ago is today old news. As a thought experiment, consider a hypothetical government that demands that every citizen wears a biometric bracelet that monitors body temperature and heart-rate 24 hours a day. The resulting data is hoarded and analysed by government algorithms. The algorithms will know that you are sick even before you know it, and they will also know where you have been, and who you have met. The chains of infection could be drastically shortened, and even cut altogether. Such a system could arguably stop the epidemic in its tracks within days. Sounds wonderful, right?

The downside is, of course, that this would give legitimacy to a terrifying new surveillance system. If you know, for example, that I clicked on a Fox News link rather than a CNN link, that can teach you something about my political views and perhaps even my personality. But if you can monitor what happens to my body temperature, blood pressure and heart-rate as I watch the video clip, you can learn what makes me laugh, what makes me cry, and what makes me really, really angry. 

It is crucial to remember that anger, joy, boredom and love are biological phenomena just like fever and a cough. The same technology that identifies coughs could also identify laughs. If corporations and governments start harvesting our biometric data en masse, they can get to know us far better than we know ourselves, and they can then not just predict our feelings but also manipulate our feelings and sell us anything they want — be it a product or a politician. Biometric monitoring would make Cambridge Analytica’s data hacking tactics look like something from the Stone Age. Imagine North Korea in 2030, when every citizen has to wear a biometric bracelet 24 hours a day. If you listen to a speech by the Great Leader and the bracelet picks up the tell-tale signs of anger, you are done for.

Veduta della casa universitaria - Lodi webcams of Italy project. by

You could, of course, make the case for biometric surveillance as a temporary measure taken during a state of emergency. It would go away once the emergency is over. But temporary measures have a nasty habit of outlasting emergencies, especially as there is always a new emergency lurking on the horizon. My home country of Israel, for example, declared a state of emergency during its 1948 War of Independence, which justified a range of temporary measures from press censorship and land confiscation to special regulations for making pudding (I kid you not). The War of Independence has long been won, but Israel never declared the emergency over, and has failed to abolish many of the “temporary” measures of 1948 (the emergency pudding decree was mercifully abolished in 2011). 

Even when infections from coronavirus are down to zero, some data-hungry governments could argue they needed to keep the biometric surveillance systems in place because they fear a second wave of coronavirus, or because there is a new Ebola strain evolving in central Africa, or because . . . you get the idea. A big battle has been raging in recent years over our privacy. The coronavirus crisis could be the battle’s tipping point. For when people are given a choice between privacy and health, they will usually choose health.

The soap police

Asking people to choose between privacy and health is, in fact, the very root of the problem. Because this is a false choice. We can and should enjoy both privacy and health. We can choose to protect our health and stop the coronavirus epidemic not by instituting totalitarian surveillance regimes, but rather by empowering citizens. In recent weeks, some of the most successful efforts to contain the coronavirus epidemic were orchestrated by South Korea, Taiwan and Singapore. While these countries have made some use of tracking applications, they have relied far more on extensive testing, on honest reporting, and on the willing co-operation of a well-informed public. 

Centralised monitoring and harsh punishments aren’t the only way to make people comply with beneficial guidelines. When people are told the scientific facts, and when people trust public authorities to tell them these facts, citizens can do the right thing even without a Big Brother watching over their shoulders. A self-motivated and well-informed population is usually far more powerful and effective than a policed, ignorant population. 

Consider, for example, washing your hands with soap. This has been one of the greatest advances ever in human hygiene. This simple action saves millions of lives every year. While we take it for granted, it was only in the 19th century that scientists discovered the importance of washing hands with soap. Previously, even doctors and nurses proceeded from one surgical operation to the next without washing their hands. Today billions of people daily wash their hands, not because they are afraid of the soap police, but rather because they understand the facts. I wash my hands with soap because I have heard of viruses and bacteria, I understand that these tiny organisms cause diseases, and I know that soap can remove them. 

"a Reggia di Caserta webcams of Italy project. by

But to achieve such a level of compliance and co-operation, you need trust. People need to trust science, to trust public authorities, and to trust the media. Over the past few years, irresponsible politicians have deliberately undermined trust in science, in public authorities and in the media. Now these same irresponsible politicians might be tempted to take the high road to authoritarianism, arguing that you just cannot trust the public to do the right thing. 

Normally, trust that has been eroded for years cannot be rebuilt overnight. But these are not normal times. In a moment of crisis, minds too can change quickly. You can have bitter arguments with your siblings for years, but when some emergency occurs, you suddenly discover a hidden reservoir of trust and amity, and you rush to help one another. Instead of building a surveillance regime, it is not too late to rebuild people’s trust in science, in public authorities and in the media. We should definitely make use of new technologies too, but these technologies should empower citizens. I am all in favour of monitoring my body temperature and blood pressure, but that data should not be used to create an all-powerful government. Rather, that data should enable me to make more informed personal choices, and also to hold government accountable for its decisions. 

If I could track my own medical condition 24 hours a day, I would learn not only whether I have become a health hazard to other people, but also which habits contribute to my health. And if I could access and analyse reliable statistics on the spread of coronavirus, I would be able to judge whether the government is telling me the truth and whether it is adopting the right policies to combat the epidemic. Whenever people talk about surveillance, remember that the same surveillance technology can usually be used not only by governments to monitor individuals — but also by individuals to monitor governments. 

The coronavirus epidemic is thus a major test of citizenship. In the days ahead, each one of us should choose to trust scientific data and healthcare experts over unfounded conspiracy theories and self-serving politicians. If we fail to make the right choice, we might find ourselves signing away our most precious freedoms, thinking that this is the only way to safeguard our health.

We need a global plan

The second important choice we confront is between nationalist isolation and global solidarity. Both the epidemic itself and the resulting economic crisis are global problems. They can be solved effectively only by global co-operation. 

First and foremost, in order to defeat the virus we need to share information globally. That’s the big advantage of humans over viruses. A coronavirus in China and a coronavirus in the US cannot swap tips about how to infect humans. But China can teach the US many valuable lessons about coronavirus and how to deal with it. What an Italian doctor discovers in Milan in the early morning might well save lives in Tehran by evening. When the UK government hesitates between several policies, it can get advice from the Koreans who have already faced a similar dilemma a month ago. But for this to happen, we need a spirit of global co-operation and trust. 

In the days ahead, each one of us should choose to trust scientific data and healthcare experts over unfounded conspiracy theories and self-serving politicians

Countries should be willing to share information openly and humbly seek advice, and should be able to trust the data and the insights they receive. We also need a global effort to produce and distribute medical equipment, most notably testing kits and respiratory machines. Instead of every country trying to do it locally and hoarding whatever equipment it can get, a co-ordinated global effort could greatly accelerate production and make sure life-saving equipment is distributed more fairly. Just as countries nationalise key industries during a war, the human war against coronavirus may require us to “humanise” the crucial production lines. A rich country with few coronavirus cases should be willing to send precious equipment to a poorer country with many cases, trusting that if and when it subsequently needs help, other countries will come to its assistance. 

We might consider a similar global effort to pool medical personnel. Countries currently less affected could send medical staff to the worst-hit regions of the world, both in order to help them in their hour of need, and in order to gain valuable experience. If later on the focus of the epidemic shifts, help could start flowing in the opposite direction. 

Global co-operation is vitally needed on the economic front too. Given the global nature of the economy and of supply chains, if each government does its own thing in complete disregard of the others, the result will be chaos and a deepening crisis. We need a global plan of action, and we need it fast. 

Another requirement is reaching a global agreement on travel. Suspending all international travel for months will cause tremendous hardships, and hamper the war against coronavirus. Countries need to co-operate in order to allow at least a trickle of essential travellers to continue crossing borders: scientists, doctors, journalists, politicians, businesspeople. This can be done by reaching a global agreement on the pre-screening of travellers by their home country. If you know that only carefully screened travellers were allowed on a plane, you would be more willing to accept them into your country. 

Il Duomo - Firenze. webcams of Italy project. by

Unfortunately, at present countries hardly do any of these things. A collective paralysis has gripped the international community. There seem to be no adults in the room. One would have expected to see already weeks ago an emergency meeting of global leaders to come up with a common plan of action. The G7 leaders managed to organise a videoconference only this week, and it did not result in any such plan. 

In previous global crises — such as the 2008 financial crisis and the 2014 Ebola epidemic — the US assumed the role of global leader. But the current US administration has abdicated the job of leader. It has made it very clear that it cares about the greatness of America far more than about the future of humanity. 

This administration has abandoned even its closest allies. When it banned all travel from the EU, it didn’t bother to give the EU so much as an advance notice — let alone consult with the EU about that drastic measure. It has scandalised Germany by allegedly offering $1bn to a German pharmaceutical company to buy monopoly rights to a new Covid-19 vaccine. Even if the current administration eventually changes tack and comes up with a global plan of action, few would follow a leader who never takes responsibility, who never admits mistakes, and who routinely takes all the credit for himself while leaving all the blame to others. 

If the void left by the US isn’t filled by other countries, not only will it be much harder to stop the current epidemic, but its legacy will continue to poison international relations for years to come. Yet every crisis is also an opportunity. We must hope that the current epidemic will help humankind realise the acute danger posed by global disunity. 

Humanity needs to make a choice. Will we travel down the route of disunity, or will we adopt the path of global solidarity? If we choose disunity, this will not only prolong the crisis, but will probably result in even worse catastrophes in the future. If we choose global solidarity, it will be a victory not only against the coronavirus, but against all future epidemics and crises that might assail humankind in the 21st century. 

Yuval Noah Harari is author of ‘Sapiens’, ‘Homo Deus’ and ‘21 Lessons for the 21st Century’

Copyright © Yuval Noah Harari 2020

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The Way Ahead: Life After COVID-19

Mouaz h. al-mallah.

1 Houston Methodist DeBakey Heart & Vascular Center, Houston, TX, US

Much has changed in the 2 years since the start of the coronavirus disease 19 (COVID-19) pandemic. The need for social distancing catalyzed the digitization of healthcare delivery and medical education—from telemedicine and virtual conferences to online residency/fellowship interviews. Vaccine development, particularly in the field of mRNA technology, led to widespread availability of safe and effective vaccines. With improved survival from acute infection, the healthcare system is dealing with the ever-growing cohort of patients with lingering symptoms. In addition, social media platforms have fueled a plethora of misinformation campaigns that have adversely affected prevention and control measures. In this review, we examine how COVID-19 has reshaped the healthcare system, and gauge its potential effects on life after the pandemic.

Introduction

In December 2021, after many months of living with the COVID-19 pandemic, the world is still looking for a way out of this healthcare crisis. As of this writing, more than 250 million people globally have been infected with SARS-CoV-2, the virus that causes coronavirus disease 19 (COVID-19), and nearly 5 million individuals lost their lives battling the complications of severe acute respiratory syndromes. 1 Many communities experienced multiple surges of the virus, with changes in normal life and restrictions to daily activities. The intensification of vaccination efforts brought about hope for a possible end to the pandemic. However, the continued emergence of variant strains and vaccine hesitancy have been persistent challenges in the US and globally. In this article, we review the long-term effect of COVID-19 on healthcare systems and envision the future of life after the pandemic ( Figure 1 ).

The long-term effects of the coronavirus disease 19 (COVID-19)

The long-term effects of the coronavirus disease 19 (COVID-19) pandemic on the healthcare system.

Since the beginning of the pandemic, there have been accelerated efforts to sequence the genetic material of the virus and build effective vaccines that decrease the risk of infection, hospitalization, and mortality. 2 At the time of this writing, more than 10 vaccines have been approved by local healthcare authorities in different parts of the world. 3 The pandemic has also driven innovation in the novel field of messenger ribonucleic acid (mRNA) vaccines. The US Food and Drug Administration (FDA) has approved the use of the Pfizer-BioNTech mRNA vaccine and given emergency use authorization to Moderna. 4 The mRNA vaccines have shown excellent efficacy against many of the strains, including the beta and delta strains.

More recently, booster doses have been approved by the FDA for individuals aged 65 years and older as well as individuals with comorbidities, in long-term care facilities, or at increased risk for COVID-19 exposure and transmission due to occupational or institutional settings. 5 Furthermore, the FDA has also given emergency use authorization for the Pfizer-BioNTech vaccine in individuals aged 12 to 17 years and, as of October 29, in children aged 5 to 11 years.

Although the fast-tracked vaccine production time led some skeptics to hypothesize safety concerns, the rate of adverse events has been very low. One complication that gained significant attention is myocarditis. 6 , 7 , 8 Emerging data have shown that young men are the most commonly affected demographic. Furthermore, the risk was elevated in the setting of a recent COVID-19 illness and after the second dose of the vaccine. 6 , 7 Although the rate of myocarditis is low and the majority of patients recover, the risk of recurrence in patients who developed myocarditis with the first dose or in patients with recent myocarditis is unclear. Similarly, the rate of recurrence after the second or booster doses also is unclear.

Vaccine Mandates

Multiple state and federal governments have issued vaccine mandates, and they have become a highly contested political issue in the United States. The Biden administration issued an executive order on September 9, 2021, requiring all federal employees to vaccinate. 9 Some state and local governments have also followed. 10

Multiple US healthcare systems have also issued COVID-19 vaccine mandates for employees. On March 31, 2021, Houston Methodist became the first healthcare system to mandate the vaccine for employees, and a wave of other healthcare systems followed suit. 11 As of this writing, more than 2,500 hospitals or health systems have followed Houston Methodist and mandated vaccines for their clinical and nonclinical staff. 12

Combating Misinformation

Since the beginning of the pandemic, misinformation has spread throughout the Internet and on social media platforms. 13 People have questioned the existence of the virus, the strain on healthcare systems, and the benefit of masks as well as emphasized the benefits of unproven therapies, many of which were useless and even harmful. 14 Political agendas have also played into the misinformation campaigns. Studies have shown that these misinformation campaigns have had measurable effects on the intent to vaccinate and created widespread fear and panic, ultimately contributing to the reduced number of people willing to vaccinate. 13 , 15 , 16 Tackling this will require concerted efforts by the government and private sector, particularly social media companies, to implement evidence-based communication strategies. 17 Individuals should also assume responsibility in seeking out accurate, evidence-based information for their own consumption.

Telemedicine

As many states and cities implemented measures to reduce transmission, telehealth emerged as the ideal tool to continue patient care while protecting the health of both patients and providers. Many patients preferred this option, especially when hospitals were dealing with record numbers of COVID-19 infections. In 2020, telemedicine was the main means by which ambulatory care was provided, accounting for 10% to 20% of visits when virus transmissibility was low and as high as 80% of visits during the surges. 18

Accordingly, the US Department of Health and Human Services relaxed enforcement of software-based Health Insurance Portability and Accountability Act violations, the Centers for Medicaid and Medicare Services provided waivers for telehealth reimbursements, and, in many instances, commercial insurances provided the same either directly or through mandates provided by local state governments. 19 , 20 The removal of regulatory and reimbursement barriers led to a dramatic increase in the use of telehealth, with some institutions reporting multifold increase in telehealth visits. 21

The pandemic also served as a catalyst for innovation in the software and hardware necessary for telemedicine. 22 For example, important tools were developed to enable secure connections with physicians and allow remote vital sign and weight monitoring. 23 , 24 Unfortunately, not all have equally benefitted from the expanded use of telehealth. Data indicate that minorities and disadvantaged groups often lack access to telehealth-based care. 25 Although the positive response and uptake by physicians and patients indicates the likelihood of telemedicine continuing past the pandemic, it remains to be seen whether the regulatory and reimbursement aspects will continue.

Post Covid-19 Condition

There is a growing body of evidence that some patients have prolonged recovery and/or residual symptoms after acute infection with COVID-19. The World Health Organization has defined this as “post COVID-19 condition.” Common presentation includes shortness of breath, palpitation, anxiety, and depression lingering for several months after acute infection. 26 , 27 Recent data also suggests that post COVID-19 condition might not be limited to somatic symptoms, with studies showing a 7-fold increased risk of developing depression and mental health issues. 28

Although the cause of these symptoms is not clear, one possible link that partly explains the prolonged shortness of breath experienced by some patients is COVID-19–associated myocarditis and the associated microvascular dysfunction. 26 As the pandemic continues and therapeutics improve survival from acute infection, the number of patients reporting post COVID-19 condition is predicted to grow. Several medical centers have already established clinics to better coordinate care and conduct research on the long-term impact and treatment of COVID-19. 29

Collateral Damage

Many patients delayed regular and preventive care during the pandemic due to fear of contracting COVID-19. 30 , 31 Such change in health-seeking behavior also extended to emergency conditions, with studies showing how some patients did not seek care for new onset chest pain. 32 Indirect indicators of this are the reduced rates of cardiovascular testing globally and within the United States 33 , 34 and the increased rate of myocardial infarctions and other emergencies seen on the trailing end of COVID-19–infection surges. 32 There has also been an increase in late complications of myocardial infarction such as ventricular septal rupture, a rare occurrence in the prepandemic reperfusion era and one partly explained by delayed care and ignored early warning signs. 35

Disparities in Healthcare

The pandemic exposed significant disparities in healthcare delivery, particularly among minorities. They were more likely to be affected by misinformation campaigns and less likely to accept research supporting clinical therapies and vaccines. Understanding the disparities and identifying measures to bridge the gap will be an important area of research for policy.

Globally, the pandemic also exposed significant inequities regarding vaccine access. While many developed countries were able to reach vaccination rates as high as 70%, rates in low-to-middle-income countries have remained low. 35 As the delta variant has clearly shown, no one is safe until everyone is safe. To this end, the World Health Organization and the COVAX (COVID-19 Vaccines Global Access) alliance have been a vital source of affordable vaccines. 36

Changes to Medical Education

The pandemic resulted in significant changes to both graduate and continued medical education. Much like patient-physician encounters, postgraduate training programs limited large face-to-face gatherings and transitioned all teaching to online platforms. 37 Residency and fellowship recruitment interviews also shifted to online settings. Lastly, there has been an exponential increase in the number of continued medical education offerings, with many societal meetings and conferences transitioning to online or hybrid formats. 38

The medical community has, for the most part, been very receptive to these changes, and it has afforded unforeseen advantages to trainees. Residency and fellowship applicants no longer need to bear the logistic and financial burden of in-person interviews. More importantly, virtual meetings and conferences have significantly increased audiences and, by extension, enabled the wider dissemination of medical knowledge.

The COVID-19 pandemic has dramatically changed clinical practice, medical education, and research. Beyond the immediate increase in morbidity and mortality, the healthcare system is having to deal with a growing cohort of patients with lingering symptoms. Misinformation, vaccine hesitancy, and vaccine inequity will be continuing challenges to attaining herd immunity. Clinicians, educators, and healthcare administrators will also have to determine how best to leverage the transition to virtual platforms. Lastly, healthcare leaders and policy makers will have to help the country and world chart a course through the end of the pandemic.

  • The coronavirus disease 19 (COVID-19) pandemic has dramatically changed clinical practice, medical education, and research.
  • It has brought about new challenges for the healthcare system, such as how best to combat misinformation, address the disproportionate impact on minorities and marginalized groups, and treat the ever-growing population of patients with lingering “long COVID” symptoms.
  • The pandemic has also catalyzed much needed change in vaccine development, telemedicine, and medical education.
  • Addressing these challenges and charting a way forward will require the concerted effort of clinicians, healthcare leaders, and policy makers.

Competing Interests

Dr. Al-Mallah has completed and submitted the Methodist DeBakey Cardiovascular Journal Conflict of Interest Statement and none were reported.

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  • Review Article
  • Published: 25 July 2023

Epidemiology, clinical presentation, pathophysiology, and management of long COVID: an update

  • Sizhen Su 1 ,
  • Yimiao Zhao 2 , 3 ,
  • Na Zeng 2 , 3 ,
  • Xiaoxing Liu 1 ,
  • Yongbo Zheng 4 ,
  • Jie Sun 5 ,
  • Yi Zhong 1 ,
  • Shuilin Wu 2 , 3 ,
  • Shuyu Ni 2 , 3 ,
  • Yimiao Gong 1 , 4 ,
  • Zhibo Zhang 1 ,
  • Nan Gao 6 ,
  • Kai Yuan   ORCID: orcid.org/0000-0002-3498-8163 1 ,
  • Wei Yan   ORCID: orcid.org/0000-0002-5866-6230 1 ,
  • Le Shi   ORCID: orcid.org/0000-0003-4750-3492 1 ,
  • Arun V. Ravindran 7 ,
  • Thomas Kosten   ORCID: orcid.org/0000-0003-1505-555X 8 ,
  • Jie Shi   ORCID: orcid.org/0000-0001-6567-8160 2 ,
  • Yanping Bao   ORCID: orcid.org/0000-0002-1881-0939 2 , 3 &
  • Lin Lu   ORCID: orcid.org/0000-0003-0742-9072 1 , 2 , 4  

Molecular Psychiatry volume  28 ,  pages 4056–4069 ( 2023 ) Cite this article

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The increasing number of coronavirus disease 2019 (COVID-19) infections have highlighted the long-term consequences of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection called long COVID. Although the concept and definition of long COVID are described differently across countries and institutions, there is general agreement that it affects multiple systems, including the immune, respiratory, cardiovascular, gastrointestinal, neuropsychological, musculoskeletal, and other systems. This review aims to provide a synthesis of published epidemiology, symptoms, and risk factors of long COVID. We also summarize potential pathophysiological mechanisms and biomarkers for precise prevention, early diagnosis, and accurate treatment of long COVID. Furthermore, we suggest evidence-based guidelines for the comprehensive evaluation and management of long COVID, involving treatment, health systems, health finance, public attitudes, and international cooperation, which is proposed to improve the treatment strategies, preventive measures, and public health policy making of long COVID.

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A COVID-19 pandemic guideline in evidence-based medicine

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Acknowledgements

This study was supported by a grant from the National Key Research and Development Program of China (2021YFC0863700, 2019YFA0706200), Natural Science Foundation of Beijing Municipality of China (M23013), National Programs for Brain Science and Brain-like Intelligence Technology of China (STI2030-Major Projects, 2021ZD0200800, 2021ZD0200700), and the National Natural Science Foundation of China (no. 82288101, 82171514). The authors declare that the research was conducted in the absence of any commercial or financial relationship that could be constructed as a potential conflict of interests.

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Sizhen Su, Xiaoxing Liu, Yi Zhong, Yimiao Gong, Zhibo Zhang, Kai Yuan, Wei Yan, Le Shi & Lin Lu

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LL and YB proposed the topic and main idea, SS was responsible for literature search, drafting the manuscript, and making the figures, and revising all versions. XL, NZ, YZ, YZ, SW, YZ, JS, and SN contributed to the first draft. YG, ZZ, NG, KY, WY, LS, AVR, TK, and JS revised the manuscript for intellectual content. YB and LL proposed the topic of the review and commented on and revised the manuscript.

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Su, S., Zhao, Y., Zeng, N. et al. Epidemiology, clinical presentation, pathophysiology, and management of long COVID: an update. Mol Psychiatry 28 , 4056–4069 (2023). https://doi.org/10.1038/s41380-023-02171-3

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DOI : https://doi.org/10.1038/s41380-023-02171-3

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