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Did a report really say masks don't help prevent the spread of COVID? | Coronavirus pandemic News | Al Jazeera
Office of the Governor of Pennsylvania - The truth about masks is simple and backed by science: They work. Masks are one of the easiest and most effective ways to slow the
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Shelby County Health on X: "Check your mask. If it has a vent or valve, it is not the kind of mask that prevents the spread of #COVID-19. Protect the people around
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Dr. Anthony Fauci says Americans who don't wear masks may 'propagate the further spread of infection'
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