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COVID Q&A: What Does a Mask Really Do?

COVID Q&A: What Does a Mask Really Do?

Dr. Gary Raskob, dean of the Hudson College of Public Health at OU, explains the importance of wearing a mask to help slow the spread of COVID-19.

Last month, OU adopted a university-wide masking policy for faculty, staff, students and campus visitors across all three campuses. The masking policies can be found here.

In the OU Health Sciences Center’s COVID Q&A video series, infectious diseases and public health experts address frequently asked questions about COVID-19.

Browse the COVID Q&A playlist for additional videos, which feature Dr. Dale Bratzler, OU’s Chief COVID Officer; Linda Salinas, OU Medical Center epidemiologist; and Doug Drevets, chair of infectious diseases in the College of Medicine.

Viewers are invited to submit questions for consideration in future videos by emailing

Article Published:  Wednesday, July 15, 2020