Surgical masks are useless in preventing something as tiny as a virus, it's like building a chain wire fence to keep out the flies. These masks are designed for one thing, to prevent drops of spit and/or nasal mucus from dropping into an open wound of a patient on whom we are operating. That's it that's all they do. That said there's a down side; wearing a surgical mask all day causes hypoxia i.e.. lowers the amount of oxygen you inhale. Also when we exhale we breath out carbon dioxide and because it's restricted by a mask some is inhaled. This causes stress and a bunch of other things that I haven't the time or the space to discuss.
Doctors all over the world are coming forward about this and a myriad of other problems created by reactions to covid-19 but the media won't discuss it. The media seems to feel that propaganda and demonisation of those who try to speak out about this whole mess.
How did I get here , all I wanted was some info on Vaping and someone brought the coronavirus into it. You had to ask and
" Well , here's another nice mess you've gotten me into "