Indoor masking and boosters recomended as "tripledemic" spreads in major US cities.

Authorities are urging indoor masking in major cities as the 'tripledemic' rages The CDC is advising people to practice indoor masking in nearly a tenth of U.S. counties, as three highly contagious respiratory viruses sweep the country. NPR.org

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The center's map that tracks COVID-19 community levels has been showing more orange recently, a color indicating an area of "high" infection, Walensky told NPR's Alisa Chang on All Things Considered.

CDC's latest COVID-19 community level map indicates that over 9% of counties in the country were considered to have a high risk of infection. The federal agency recommends that people living in those areas practice indoor masking. ...

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