Researchers Urge Retesting For COVID-19 Four Weeks After Symptoms First Appear To Curb Infection Risk
Published
People who've had COVID-19 should be swab tested again 4 or more weeks after symptoms first appear to minimise the risk of onward infection, suggests a large population based study in one of Italy's former coronavirus hotspots, and published in the online journal BMJ Open.
This is because SARS-CoV-2, the virus responsible for...