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To: discostu

From what I’ve heard, natural immunity is backward compatible. But those who have natural immunity can still catch future variants.


72 posted on 07/15/2022 12:47:07 PM PDT by skeeter
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To: skeeter

Colds mutate constantly to get around immunity. Subsequently most immunity doesn’t stick around in the body permanently, our immune has figured out the target’s gonna change so why bother. If natural immunity was permanent nobody would get more than half a dozen colds in their life.


82 posted on 07/15/2022 1:00:36 PM PDT by discostu (like a dog being shown a card trick)
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