We need an immediate five-week national lockdown to defeat coronavirus in America

Dismayed by the number of social media influencers taking the opportunity to pose in a face mask, one user exclaimed: “Everything is a fad to these people — they’re not human.”

Locking down the country would reduce infections and allow time for massive testing. There will be staggering human and economic costs if we delay.

by Yaneer Bar-Yam edited by O Society March 23, 2020

Why social distancing is critical to curbing the coronavirus pandemic

I am an MIT-trained physicist and complexity scientist who studies pandemics. I have warned about global pandemics due to increasing travel for 15 years. I recommended community-based monitoring of symptoms to stop Ebola in West Africa in 2014, and it worked. The fastest and even the only way to contain COVID-19 in the United States is a five-week national lockdown.

Closing schools, bars and movie theaters are good measures, but not enough. Our relaxed approach to social distancing is insufficient to stop the exponential growth of COVID-19. Until Americans consistently adopt strong social distancing recommendations — a lockdown — the disease will continue to spread exponentially.

During a five-week national lockdown, federal, state and local authorities would ensure that all Americans stay home except to obtain food and other essentials, access medical care or do work essential to the functioning of society. Travel would cease: We would close our borders and airports and prohibit all unnecessary travel across state and county (or town) lines within the United States. The U.S. government would have to provide aid to citizens separated from their sources of income and ensure care for vulnerable members of society.

Lockdown would sharply reduce cases

During the first two weeks of a lockdown, infected individuals will either recover from mild cases of COVID-19 at home or seek medical attention for the 14% of cases that are severe. During the third, fourth and fifth weeks, any newly infected family or cohabitants of infected individuals will recover or seek medical attention, and their isolation will prevent further spreading. By the end of the lockdown, the number of infections will be a small fraction of what they are now.

The lockdown will give us time to dramatically scale up our supply of COVID-19 test kits and capacity to process them. If we reduce the number of infections using the lockdown and start a massive testing regime in the United States, we can control COVID-19 after five weeks without such extreme social distancing measures. Isolating sick individuals and their immediate contacts will be enough.

Walking in New York's Central Park on March 20, 2020.

Walking in New York’s Central Park on March 20, 2020.

The human and economic costs of delaying this lockdown will be staggering. The COVID-19 outbreak has many more cases now than are visible (tip of the iceberg) and they are growing rapidly. We had about 33,500 cases in the United States on Sunday, over 9,000 more cases than the previous day. At this rate, without a lockdown, in one week there will be about 300,000. In two weeks: 3 million.

One in 7 cases require hospitalization and 5require intensive care with ventilators to survive. There aren’t nearly enough ventilators available.

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The effectiveness of a five-week lockdown will be dramatic — and also entirely predictable.

We know a U.S. lockdown can work because it worked in China. At the height of its COVID-19 crisis in mid-February, China had locked down an estimated 760 milllion people, approximately half of its population. This policy was so successful that Wuhan is now much safer from coronavirus than New York City or Washington, D.C. The few new COVID-19 cases in China now stem from foreign travelers rather than local transmission, and all are safely quarantined.

We know what we have to do. Donald Trump, state governors, and local leaders must act now to save millions of lives.

Yaneer Bar-Yam is the founding president of the New England Complex Systems Institute, where he is an expert on pandemics and other complex systems. He is spearheading an effort of over 3,000 volunteers working to stop the outbreak at endcoronavirus.org

3 thoughts on “We need an immediate five-week national lockdown to defeat coronavirus in America

  1. The more fortunate are able to afford the luxury of a five-week lockdown. A good chunk of the country lacks the money and means to (for example) stock up on five weeks of food. Children need fresh milk, eggs, fruit and vegetables. Millions don’t have credit cards, or computers to do online banking. And weeks into this quarantine, no one has figured out how the homeless ;poor can “just stay home.”

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