You're aware that there are studies specifically trying to find out how well masks work at reducing the spread of covid, yes? https://www.cochranelibrary.com/c

You're aware that there are studies specifically trying to find out how well masks work at reducing the spread of covid, yes? https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD006207.pub6/full https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD... I wonder why we're studying this...