How well do face masks protect against COVID-19? - Mayo Clinic

Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.

COVID-19: How much protection do face masks offer? - Mayo Clinic News Network

Yes, face mask protection helps slow the spread of COVID-19

When and how to use masks

Guidance for Implementing COVID-19 Prevention Strategies in the Context of Varying Community Transmission Levels and Vaccination Coverage

Mayo Clinic asks all patients and visitors to wear surgical/procedural masks - Mayo Clinic News Network

Face masks during the COVID-19 pandemic - Wikipedia

Mayo Clinic Minute: Study shows masks can prevent COVID-19

Can kids be harmed wearing masks to protect against COVID?

NIOSH-Approved Face Masks for Wildfire Smoke