Variants raise worry about COVID-19 reinfections

Evidence is mounting that having COVID-19 before may not protect against getting infected again with some of the new variants emerging around the world. (Feb. 8)

       


source http://rssfeeds.usatoday.com/~/643733180/0/usatodaycomnation-topstories~Variants-raise-worry-about-COVID-reinfections/

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