Earlier quoted context omitted.
> Wtf, masks absolutely work. I’m not that sure. A lot of experts agree that there’s not much quality data to reach that conclusion. Most “definitive proof” comes from mechanical studies (they measure how far your saliva is reaching with and with out mask), but that’s not the only important factor. Masks are not designed for full day use, and by wearing them everyone is constantly touching their face, mouth and nose.…
Nurses working in the ICU during the beginning of the pandemic would use the same mask for an entire week without losing efficacy. If the masks didn't work, we would have seen a huge number of them infected in the NYC hospitals but that didn't happen. Most viruses don't survive very long on surfaces.
> Most viruses don't survive very long on surfaces.
Virus can last for days on glass, metals and other non porous surfaces.