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What are COVID-19 variants and how can you stay safe as they spread? A doctor answers 5 questions – The Conversation US

New variants of the COVID-19 virus may be more contagious and cause more severe disease than the original. A pediatrician and…

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With the delta variant making up over 93% of COVID-19 cases in the U.S. at the end of July 2021, questions arise about how to stay protected against evolving forms of the SARS-CoV-2 virus. Here, pediatrician and infectious disease specialist Dr. Lilly Cheng…

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