10 things you need to know today: May 21, 2020

Researchers say earlier lockdowns could have reduced COVID-19 toll, WHO reports biggest 1-day coronavirus increase, and more

A man in a mask
(Image credit: KENA BETANCUR/AFP via Getty Images)

1. Study: Earlier lockdowns could have prevented most COVID-19 deaths

Thirty-six thousand fewer people would have died of COVID-19 in the United States by early May if the country had started social distancing one week earlier in March than it did, according to Columbia University disease modelers. If the policies had begun two weeks earlier, on March 1, another 18,000 deaths could have been prevented, reducing the death toll as of May 3 by 83 percent, according to the new research, which was released Wednesday. "That small moment in time, catching it in that growth phase, is incredibly critical," said Jeffrey Shaman, a Columbia epidemiologist who led the research team. The first imported U.S. case of COVID-19 was reported on Jan. 20, followed by community transmission in February. Federal social distancing measures were enacted in mid-March.

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Harold Maass, The Week US

Harold Maass is a contributing editor at The Week. He has been writing for The Week since the 2001 debut of the U.S. print edition and served as editor of TheWeek.com when it launched in 2008. Harold started his career as a newspaper reporter in South Florida and Haiti. He has previously worked for a variety of news outlets, including The Miami Herald, ABC News and Fox News, and for several years wrote a daily roundup of financial news for The Week and Yahoo Finance.