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url = https://www.npr.org/tags/804916759/covid-19
covid-19 : npr
Ng Han Guan/AP
A U.S. Intelligence Report Fails To Pinpoint COVID's Origins
August 27, 2021 • After a 90-day review, U.S investigators did not turn up any clear answer on whether the coronavirus hopped from an animal to a human — or somehow escaped from a lab.
People don face masks to help keep the coronavirus at bay in June in Ankara, Turkey. But what about earlier recommendations to stay 6 feet away from others and limit close contact to 15 minutes? Are these still effective against the contagious delta variant? Adem Altan/AFP via Getty Images hide caption
Adem Altan/AFP via Getty Images
Coronavirus FAQ: How Do The Rules of 6 Feet And 15 Minutes Apply To The Delta Variant?