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Join Date: Jul 2013
Posts: 30,350
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Join Date: Jul 2013
Posts: 30,350
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The big question mark now of course is how long antibodies ask, and if that's short, does the T-cell response mean it's still effective (covid with us forever but not more worrying than any other mild illness).
But it's impossible to know that for a year+ really. E.g. flu strain immunity often lasts 2 or 3 years in healthy people (which is why you don't get flu every single year).
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