Comments on: Retest for covid-19 4+ weeks after symptoms first appear to curb infection risk, say researchers

Comments on: Retest for covid-19 4+ weeks after symptoms first appear to curb infection risk, say researchers https://bmjgroup.com/retest-for-covid-19-4-weeks-after-symptoms-first-appear-to-curb-infection-risk-say-researchers/ Helping doctors make better decisions Thu, 03 Sep 2020 09:19:27 +0000 hourly 1