Starting thread on effectiveness of properly worn masks. (Masks work.)
Masks Work
Here’s how much more an N95 mask can protect you than a cloth or surgical mask
How N95s protect you
The Physics of the N95 Face Mask
The Physics of the N95 Face Mask
Fact check: No, N95 filters are not too large to stop COVID-19 particles
Masks work
A short thread on why N95 (and better) masks work. First, a simple explanation:
A short thread on why N95 (and better) masks work. First, a simple explanation: