"rbowman" wrote in message
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On 02/20/2021 10:41 AM, Ed Pawlowski wrote:
True, but it sure helps. Look at polio and a bunch of others. It works.

The track record with coronaviruses isn't good.

Thats wrong with animal coronaviruses and we know
that this one isnt mutating as fast as the other human
coronaviruses except SARS and it died out by itself.