Seven months later, what we know about Covid-19 — and the pressing questions that remain

STAT August 17, 2020
Andrew Joseph, Helen Branswell and Elizabeth Cooney

The “before times” seem like a decade ago, don’t they? Those carefree days when hugging friends and shaking hands wasn’t verboten, when we didn’t have to reach for a mask before leaving our homes, or forage for supplies of hand sanitizer. Oh, for the days when social distancing wasn’t part of our vernacular.

In reality, though, it’s only been about seven months since the world learned a new and dangerous coronavirus was in our midst. In the time since Chinese scientists confirmed the rapidly spreading disease in Wuhan was caused by a new coronavirus and posted its genetic sequence on line, an extraordinary amount has been learned about the virus, SARS-CoV-2, the disease it causes, Covid-19, and how they affect...

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