Alexander Pruss's Blog

I was exposed to Covid recently, so by University rules I need to mask for a while. I don't particularly love masking at the gym, but I ...

I'm now fully vaccinated, so through the wonders of modern medicine I'm deeming myself to have likely escaped COVID-19, while sadly ...

As an experiment, I cut the ear loops of one of my KN95 masks, and then made them join very snugly behind the head with rubber bands. I fo...

I have found (using a small single blind test ) that disposable masks have better audio quality for teaching: cloth muffles the voice, esp...

Some people, perhaps more towards the beginning of our pandemic than now, have said that we wouldn’t have a shutdown for seasonal influenza,...

Warning: This is speculative back-of-the-envelope discussion of public policy outside of my fields of expertise. For some time I’ve been t...

I had three family members turn away from me while I read two prepared philosophical sentences, using three different masks and no mask, and...

Just as different pairs of shoes are useful for different occasions, different masks are useful for different occasions. Here's my colle...

I got myself a 3M 6300 half-face mask with P100 filters. Unfortunately, these have an exhalation valve so that any germs one has are breathe...

This is a time of tragedy. But I've been very fortunate, having steady employment, and (so far) a healthy family. And lately I've ha...