Submitted by number1dork t3_120rixo in askscience
Alwayssunnyinarizona t1_jdjnje1 wrote
Reply to comment by drunkenknight9 in What happened to the old COVID variants, like Delta? Could they come back? by number1dork
>The natural life cycle of any virus is for it to become more infectious and less dangerous to the hosts since that's the best way for the virus to survive.
>As evidence mounts that the omicron variant is less deadly than prior COVID-19 strains, one oft-cited explanation is that viruses always evolve to become less virulent over time.
>
>The problem, experts say, is that this theory has been soundly debunked.
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And in my comment, I did not distinguish case numbers vs. case severity. I said "until/unless covid starts to fall below background common cold status." I'm sorry that you read it that way.
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