Not sure what the answer to the specific question is, but there is solid evidence that cleaning your hands prevents the spread of HFMD, Adoneviruses, E. Coli, Salmonella, and many other germs. Independent of the evidence for Covid in particular, regularly cleaning your hands is a great idea.
This is also why P100 masks are recommended; they’re really well known to filter out aerosols in general, much more effectively than N95 masks (which were originally intended to keep R-values below 1 or closer to 1).
Not sure what the answer to the specific question is, but there is solid evidence that cleaning your hands prevents the spread of HFMD, Adoneviruses, E. Coli, Salmonella, and many other germs. Independent of the evidence for Covid in particular, regularly cleaning your hands is a great idea.
This is also why P100 masks are recommended; they’re really well known to filter out aerosols in general, much more effectively than N95 masks (which were originally intended to keep R-values below 1 or closer to 1).