Does this explain at least some of the 9 out 10 people who have been infected in the UK? At least so e must have no idea they have been infected. Piece by @mroliverbarnes
Anyway #WearAMask
A KN95 or N95.
RT @EricTopol: A side benefit of the use of masks is reduction in dose of the virus exposed https://royalsocietypublishing.org/doi/10.1098/rsif.2021.0781
This was initially pointed out by @kprather88 and colleagues in a classic…

🐦🔗: https://nitter.eu/NChildersMEP/status/1521950022409068546