There are plenty of studies that show masks prevent the spread of covid. The brief of it is that the virus spreads inside of small spittle particles, and the masks stop the spittle.
But you clearly haven't looked because this has been publicized widely, and there are plenty of studies.
You are correct, however seem to have a misunderstanding of what those 'spittle particles' are. They do not float around in the air for long at all (order of seconds). You'd be hard pressed to name the last time someone sneezed directly into your face, unless you work in a hospital, which incidentally is where masks make logical sense for that reason.
CDC and Fauci both said (Score:1, Insightful)
https://wwwnc.cdc.gov/eid/cont... [cdc.gov]
See "Table 1" where it states that face masks don't work.
on page 141 of that 234 page mag.
Dr Fauci stated the same thing two months earlier in an interview with Dr John LaPook.
https://www.youtube.com/watch?... [youtube.com]
What made them both change their minds a month later? Certainly NOT the science because no reputable RCT's had been published about face m
Re:CDC and Fauci both said (Score:3)
But you clearly haven't looked because this has been publicized widely, and there are plenty of studies.
Re: (Score:2)
Re: CDC and Fauci both said (Score:2)