WASHINGTON — We’ve already been through two winters with COVID-19, but this year, we have three viruses on our minds: COVID-19, the flu, and RSV. The numbers are up, and Rochelle Walensky, director of ...

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Face masks, like any article of clothing, get dirty with wear. They can also carry the coronavirus if an infected person comes in contact with you. The Centers for Disease Control and Prevention ...

When the COVID-19 pandemic took off in 2020, so too did questions over the effectiveness of wearing a face mask to prevent the spread of the virus. Now, four years later, what does the science say? In ...

Wearing a mask is one way to reduce the spread of COVID-19. There are many types, including surgical masks, cloth masks, and respirators. SARS-CoV-2, the virus that causes COVID-19, usually transmits ...

Este artículo está disponible en español. Léelo en español. As the more highly transmissible omicron variant continues to be the country’s dominant Covid strain, health experts are recommending adults ...