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Study names most effective alternative face coverings
March 1st, 2022
A selection of commercially available face coverings. Photo: Debora Cartagena, USCDCP. As the Omicron variant surges, the CDC is expected to issue more robust mask guidelines. When PPE is not available many people resort to homemade alternatives, such as bandanas and neck gaiters. Seshadri Ramkumar, a professor in Texas Tech University’s Department of Environmental Toxicology, […]