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Reply to "If you can get re-infected with CV19 because there’s no immunity after, why will a vaccine work? "
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[quote=Anonymous]There are very few documented cases of people getting reinfected with COVID. Of course, since it can happen, it will happen- there's been 55 million cases after all. Why can it happen? A mild infection may not lead to a strong, long-term immune response. Or, perhaps your immune system doesn't act entirely normally. Or perhaps you were just unlucky. Your intuition would be mostly right if it were true that your immune system couldn't clear a COVID infection and get a long-term immune response. But it can. Not in everyone, but in most people. Furthermore, vaccines can generally lead to immune responses similar to that of severe infections. Other vaccines don't work on every single person. The 95% efficacy they're finding with these COVID vaccines is actually quite high.[/quote]
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