I think we'd best have a conversation about mask efficacy in the context of time-to-infection, viral load and other highly-speculative estimations that have been proffered over the course of the pandemic thus far.
You cannot build a rock-solid scientific model on top of such things.
#CovidIsAirborne #MaskUp #WearARespirator #N95 #P100 #FitTest #Wuhan #Alpha #Delta #Omicron #ForeverOmicron
#COVIDisAirborne #maskup #weararespirator #n95 #P100 #fittest #wuhan #alpha #delta #omicron #foreveromicron