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You're asking if there are vaccines that do not lead to sterilizing immunity? Yes.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7296151/




As per the article, the flu vaccine looked at didn’t provide sterilizing immunity, but did significantly lower viral titre in the lungs.

So I guess the question is - even if not sterilizing immunity, would these vaccines significantly reduce (but not eliminate) transmission?




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