More COVID-19 variants emerge closer to home: Here’s what to know about the ones discovered in Brazil, New York and California
Health officials are urging Americans to not let their guards down against COVID-19 as researchers discover new variants that may already be more transmissible and could also be somewhat resistant to the vaccine. “At this level of cases, with variants spreading, we stand to completely lose the hard-earned ground we have gained,” Centers for Disease Control and Prevention director Dr. […]
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