I have a somewhat fractured note-taking system now, for good reasons. I keep all of my private notes in Bear, which is a nice Mac+iOS app that syncs well. GitHub user Sloan Sparger has created a command-line tool for working with Bear notes, which seems potentially useful.
Airborne transmission is the dominant route for coronavirus transmission
New PNAS paper suggests that airborne transmission is key to COVID-19 and reinforces the importance of mask wearing. There’s a summary thread from Eric Feigl-Ding