Yes, we do need to bring back masks in medical settings
“The duty of care doesn’t land on patients. It’s the clinicians’ job to ensure patients don’t pick up an unintended infection. Patients have a right to safety in health care facilities.”
SARS-CoV-2 transmission with and without mask wearing or air cleaners in schools in Switzerland: A modeling study of epidemiological, environmental, and molecular data
"Molecular detection of airborne and human SARS-CoV-2 indicated sustained transmission in schools. Mask mandates were associated with greater reductions in aerosol concentrations than air cleaners and with lower transmission."