Health
Retest for COVID-19 4+ weeks after symptoms first appear to curb infection risk, say researchers – Medical Xpress
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 jou…

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 COVID-19 infection, takes an average of 30 days to clear from the body after the first positive test result and an average of 36 days after symptoms first appear, the stud…