negative covid test (after dentist)

I took a covid test this morning, and it was unsurprisingly but reassuringly negative.

I tested because I had dental surgery on Tuesday, and that felt inherently risky. I was less worried about covid exposure by the time I left the dentist's pffice than I had been before I got there, because the dentist and his assistant were masked, and I only saw a couple of other people while I was there, but testing was still the right idea.

Also: I used the flutter valve this morning, after skipping it for a couple of days around the dental surgery. The post-operative instruction sheet said not to exercise for two or three days. I rested yesterday, and PT and a walk this afternoon/evening seem plausible, as does waiting until tomorrow.