Re:Real-world data show that filters clean Covid-causing vir...
by overton on Saturday October 09, 2021 @08:23PM
(#28814615)
The first case linked above was in a gym where patrons were supposed to be masked and two meters apart, and the second case had a CDC investigation which would have mentioned that as a factor if it were present.
Maybe they coughed over shared food/drink trays.