It’s not rocket 🚀 science…masking 😷 protects hospitalized patients.
In a study of >640K hosp. admissions at Mass General(2020-24), stopping universal masking/ Covid testing was assoc with a 25%⬆️ in hospital-onset resp viral infections; resumption of masking among staff was assoc with a 33% decrease!! And we know that hosp-acquired resp. viral infections are associated with longer inpatient stays, higher mortality, etc.
https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2827170 #COVID #flu