Assuming that if masks reduce the transmission by 10% is automatically worth it is not a good idea because we need to know the downsides of masks and how bad th

Assuming that if masks reduce the transmission by 10% is automatically worth it is not a good idea because we need to know the downsides of masks and how bad those downsides are. In science, all factors matter, not just efficacy. [1] [1]: https://gavinhoward.com/2020/08/in-science-all-factors-matter/ https://gavinhoward.com/2020/08/in-science-all-factors-matte...