The exact nature of long COVID is still coming to light, but we just got some of the best evidence yet that this debilitating condition stems from a brain injury.
The droplet theory was dropped within the first few months. It turns out it’s not just COVID; many infections we thought were spread by droplets are actually airborne.
They still block droplets from reaching the wearer.
The droplet theory was dropped within the first few months. It turns out it’s not just COVID; many infections we thought were spread by droplets are actually airborne.
Oh, thanks for the info. How effective are n95s and/or surgical/cloth masks given that information?