A new device can detect the coronavirus in the air in minutes
readbeanicecream@kbin.social to 
Science@kbin.social – 0 points – 
sciencenews.org
The detector can sense as a few as seven to 35 coronavirus particles per liter of air — about as sensitive as a PCR test but much quicker.
2 years late
Still better than nothing. The virus is still around, some places more than others