Retest for COVID-19 4-plus weeks after symptoms first appear to curb infection risk, say researchers
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Sep 2, 2020, 6:55 pm52 pts
ScienceDailyPeople 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.
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