Will COVID evolve to cause less severe disease? Why we can't assume the answer is yes - San Francisco Chronicle

COVID is the first time in history we are watching a virus evolve in real time. There’s...

When scientists find a new disease-causing virus in humans, the first question they want answered is: Can this thing spread easily from person to person? And if not, will it someday?Avian influenza c… [+11955 chars]

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