They knew: the CDC is well aware of aerosol transmission and the ways to protect people from infectious disease using respirator masks and the precautionary principle.
Aerosol transmission & respirator masks, a PPE timeline
Aerosol transmission & respirator masks, a…
Aerosol transmission & respirator masks, a PPE timeline
They knew: the CDC is well aware of aerosol transmission and the ways to protect people from infectious disease using respirator masks and the precautionary principle.