The U.S. Centers for Disease Control and Prevention changed course Tuesday, reversing its previous COVID-19 guidance by urging Americans to wear masks, regardless of their vaccination status. Critics quickly denounced the reversal, saying it undermines vaccine confidence.
The CDC said all students and teachers should wear masks, even if they are vaccinated, and that all Americans, including those with the vaccine, should wear masks in public places where the virus has a significant presence. The agency cited the delta variant of COVID, which is more transmissible.
The CDC had previously announced in May that vaccinated individuals did not have to wear masks. The White House fended off questions from reporters at the White House press briefing on the reasoning behind that reversal.
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