Verified.
Berenson cites a solid peer-reviewed 2015 study of mask usage IN HOSPITALS, where infections are strong.
The study finds that those wearing masks were
6 times as likely to have flu-like illnesses as those in the control group after 4 weeks.
Verifies the
LOGICAL REAL SCIENCE FACT that recirculating your own microbes defeats the whole point of having an immune system.
Also verifies the UNQUESTIONABLE FACT that the psychopaths who order us to wear suicide masks are trying to kill us. The Public Death Officers do actually know how immunity works, and before the March 2020 switchover they were using their knowledge properly. Now they're using their knowledge to kill us.
When you know how things work you don't need details.