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Demiansky t1_jdkfryf wrote on March 25, 2023 at 1:06 AM

Reply to comment by Booty_Bumping in What happened to the old COVID variants, like Delta? Could they come back? by number1dork

Well, no, not every strain of the virus was on some kind of conveyor belt of evolution anymore than the hominid family tree. But all of the earlier, less virulent variants are the direct ancestors of modern variants.