New CDC mask guidance was based on study of outbreak at Cape Cod beach party

Published



The Centers for Disease Control and Prevention released a study Friday backing up its stricter new mask guidance, one that concluded that people infected with delta variant may transmit COVID-19 even if they’re vaccinated, based on an outbreak at a Cape Cod beach party.

The study found that vaccinated subjects had nearly the same amount of virus in their bodies as the unvaccinated, suggesting they were as likely to transmit the virus to others.

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