2 ms·
> 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/c
by sampo 4y ago
> 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 https://jech.bmj.com/content/65/2/100
- ethanbond 4y agoThat is fascinating! Science is really difficult :)