Tell me you don't know how vaccines work without telling me you don't know how vaccines work.
Preventing transmission is a nice to have, not a must have. Less serious symptoms (which can include, but are absolutely not limited to, death, not for Covid not for anything else) are the requirement for them to be useful.
> CDC's Provincetown study
Tell me you don't know Baysean statistics etc.
https://www.usatoday.com/story/news/nation/2021/08/08/cdc-re...
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Comments like yours are why I wrote the other day:
"I think people expect cancer cures to be as effective as vaccines really are, while also expecting vaccines (and antibiotics) to be as effective as a Potion of Cure Disease in Skyrim."