3 ms·
The understanding of how COVID transmission happens is what’s changed. It’s not from surfaces - almost always from aerosols. Masking (preferrably N95/KN95/KF94
by r00fus 5y ago
The understanding of how COVID transmission happens is what’s changed.
It’s not from surfaces - almost always from aerosols. Masking (preferrably N95/KN95/KF94) is what’s needed.