People who’ve had COVID-19 should be swab tested again four or more weeks after symptoms first appear to minimize the risk of onward infection, suggests a large population-based study in one of Italy’s former coronavirus hotspots.
People who’ve had COVID-19 should be swab tested again four or more weeks after symptoms first appear to minimize the risk of onward infection, suggests a large population-based study in one of Italy’s former coronavirus hotspots.