CDC urges vaccinated people to wear masks again in the United States
Shortpedia
Content Team
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The Centers for Disease Control and Prevention updated its mask guidance to prevent further spread of the Delta variant in the United States, by mandating vaccinated people to wear masks in certain situations. The recommendation urges fully vaccinated people to wear masks indoors when in areas with "substantial" and "high" transmission of COVID-19, which includes nearly two-thirds of all US counties.
