An international research collaboration that reviewed several dozen rigorous studies of "physical interventions" against influenza and COVID-19 through last year failed to find even a modest effect on infection or illness rates from masks of all qualities.
https://www.youtube.com/watch?v=PuKJdAIZLT4
https://www.youtube.com/watch?v=PuKJdAIZLT4
An international research collaboration that reviewed several dozen rigorous studies of "physical interventions" against influenza and COVID-19 through last year failed to find even a modest effect on infection or illness rates from masks of all qualities.
https://www.youtube.com/watch?v=PuKJdAIZLT4
0 Comments
0 Shares
482 Views
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek