This is out of my expertise but I have a hard time believing that | Hacker News

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		on_the_train 8 days ago \| parent \| context \| favorite \| on: Covid 5 years later: Learning from a pandemic many... This is out of my expertise but I have a hard time believing that

born2web 8 days ago [–]

same here... at a species level, I would expect evolutionary benefits if immunity increased with exposure

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