New variants raise worry about COVID-19 virus reinfections
Hospitalized health care workers do not have worse COVID-19 outcomes
8 February 2021Illinois county reverses decision; will allow pregnant and lactating women to get COVID-19 vaccines
8 February 2021New variants raise worry about COVID-19 virus reinfections
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.
