Edit: before you downvote this, read it? I'm not an anti-vax nutcase. They didn't trust the public with their actual thinking at any point during Covid. The guidance was initially "don't wear a mask, it will make it worse because you'll infect yourself with your hand" to "we'll just lock down for 3 weeks and then back to normal" to "we have to flatten the curve to avoid overwhelming hospitals" to the current policy o…
Surgical masks (and other cloth masks) make a small but significant difference in transmission. At the beginning of the pandemic, we didn't understand whether that difference was lost in the increased need to interact with one's face while wearing a mask (and we now know that SARS-CoV-2 becomes inactivated quite quickly on surfaces, like our hands). N95s and higher rated masks/filters have always been very good for v…
National policy should not be made on the basis of 'some people kindof have this pet theory that you might infect yourself if you touch your ear'. I don't know of a single study that says you increase your chance of respiratory virus transmission from touching the sides and back of your head.