Sun Dec 05, 2021 11:10 am
#1886817
Frankfurter Allgemeine Zeitung reporting study that shows that well adjusted FP2/KN95 masks reduce the risk of getting C19 from an infected person when spending 20 mins in a room to 1/1000 poorly adjusted mask to 1/25 and the 'surgical' one to 1/10.
Home made ones are not acceptable for any situation where a mask is required here.
https://www.faz.net/-gqe-aioc2
Home made ones are not acceptable for any situation where a mask is required here.
https://www.faz.net/-gqe-aioc2
Frank Voeten
Emails to first name.lastname@nhs.net
Emails to first name.lastname@nhs.net