>Recommending against masks early ... lack of research into air filtration/sterilization, etc. Speaking out against these became a very difficult thing to do f

>Recommending against masks early ... lack of research into air filtration/sterilization, etc. Speaking out against these became a very difficult thing to do for someone in power with a lot to lose. https://scholar.google.com/scholar?hl=en&as_sdt=0%2C33&q=air+filtration+covid&btnG= https://scholar.google.com/scholar?hl=en&as_sdt=0%2C33&q=air... https://scholar.google.com/scholar?hl=en&as_sdt=0%2C33&q=masks+covid+19&btnG= https://scholar.google.com/scholar?hl=en&as_sdt=0%2C33&q=mas... The Scholar results do not support your claim.