The omicron variant of COVID-19 has health authorities encouraging folks to upgrade from cloth masks to N95s, KN95s or at the very least, surgical masks. Dr. Elizabeth Matsui, an allergist, ...

The highly transmissible omicron variant is sweeping the U.S., causing a huge spike in covid-19 cases and overwhelming many hospital systems. Besides urging Americans to get vaccinated and boosted, ...

The omicron variant of the coronavirus may spread more quickly and efficiently, and now that it is the dominant strain it's worth reconsidering use of cloth masks. In some places, such as Minnesota ...

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Masking is one of the best ways we can protect ourselves and others against respiratory viruses, including COVID-19. Research has discovered that not all masks are created equal. Jeremy Biggs, MD, ...