CNN CNN Newsroom With Poppy Harlow and Jim Sciutto August 11, 2021 14:21:00
Industrial hygienists, people who study how to protect ourselves from airborne chemicals and infectious agents. they determined based on the cdcs data that an infectious dose can occur in 15 minutes, meaning enough virus in a room for me to breathe in, just like if it were sig rate smoke, where id get infected. they did the work along with data from nye ash who showed if you wear a face covering, you get five additional extra protection, surgical mask is ten minutes, if you wear an n95 respirato...
Source: archive.org