Wednesday, 28 July 2021

What the CDC's 'substantial' and 'high' levels of Covid-19 transmission actually mean

Health guidance issued Tuesday recommends that fully vaccinated people wear masks indoors if they're in areas with "substantial" or "high" transmission of Covid-19. But what do "substantial" and "high" actually mean?


from CNN.com - RSS Channel - HP Hero https://www.cnn.com/2021/07/28/health/substantial-or-high-covid-19-transmission-wellness/index.html
via https://www.cnn.com/index.html

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