The World Health Organization’s decision to encourage those who are fully vaccinated to wear masks as a result of the highly transmissible Delta variant is “a good idea,” according to University of Arizona College of Medicine-Phoenix’s Dr. Shad Marvasti.
“We don’t want to wait until after the fact and get caught with this thing already ahead of us when we know that masks work,” Marvasti told Yahoo Finance Live. “To put this in context, the Alpha variant, which originated out of…
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