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Re:How Twitter Rigged the Covid Debate by sampo on Tuesday December 27, 2022 @09:09AM (#34148757)
> we still do not really know whether masks at a population level tend to reduce transmission

We don't know this about condoms, either.

https://jech.bmj.com/content/65/2/100

Re:How Twitter Rigged the Covid Debate by ethanbond on Tuesday December 27, 2022 @09:30AM (#34148948)
That is fascinating! Science is really difficult :)