Medical Health Cluster


CDC Calls for One Third of Americans to
Mask Up Again

Maybe it was inevitable. In light of both COVID-19 cases and hospitalization numbers rising again, CDC Director Rochelle Walensky, MD, recommends that about a third of Americans mask up again when indoors, when using public transportation, or if you are at high risk for severe COVID-19 illness. The CDC advice […]

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Experts from the Johns Hopkins Coronavirus Resource Center on Friday encouraged the use of masks on public transportation and airplanes despite a federal judge’s decision to strike down the Centers for Disease Control and Prevention’s mask mandate for those types of travel. While COVID-19 cases in the United States remain low compared […]

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Does My Mask Protect Me if Nobody Else Is Wearing One?

If I’m the only person wearing a mask on a plane or subway train, in a store or at another indoor location, am I really protected from infection? It’s true that masks work best when everyone around you is wearing one. That’s because when an infected person wears a mask, a large […]

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Standard Medical Mask Can Protect Wearer from Aerosols

A standard medical face mask is more effective at preventing the wearer from inhaling aerosols without causing substantial breathing resistance than various cloth, medical, or respirator masks, new research shows. “Medical face masks with good filtration efficacies can provide even better protective effects than KN95 respirators,” write Christian Sterr, MD, […]

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