The first Americans to be vaccinated against the coronavirus could require a third "booster" shot as early as September, the CEOs of Pfizer and Moderna told Axios.
The Centers for Disease Control and Prevention on Saturday clarified coronavirus advice for U.S. schools, recommending the continued, universal use of masks and physical distancing, after the agency’s sudden announcement that vaccinated Americans could forego masks indoors.
All schools teaching students from kindergarten through grade 12 should continue to implement proper mask-wearing through the end of the 2020-2021 school year, the C.D.C. said. The agency also kept in place its suggestions to observe physical distancing and to test for coronavirus infections.
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