Variant viruses raise concerns about COVID-19 reinfections | News, Sports, Jobs
Feb 9, 2021 A Walgreens pharmacist prepares a syringe with the Pfizer-BioNTech COVID-19 vaccine for residents and staff at the The Palace assisted living facility in Coral Gables, Fla. (AP Photo) Evidence is mounting that having COVID-19 may not protect against getting infected again with some of the new variants. People also can get second infections with earlier versions of the coronavirus if they mounted a weak defense the first time, new research suggests. How long immunity lasts from natural infection is one of the big questions in the pandemic. Scientists still think reinfections are f...