Many patients test positive after virus symptoms resolve

Small Chinese study of 16 patients shows some have the virus up to eight days after they had apparently recovered from COVID-19

As many as half of patients with COVID-19 continue to test positive for the SARS-CoV-2 virus up to eight days after symptoms resolve, Chinese researchers report.

There has been at least one case of a patient with high viral titres after the resolution of symptoms who infected two close contacts.

But it has remained unclear how long patients with COVID-19 infection continue to harbour the virus after they no longer have symptoms.

A team at Chinese PLA General Hospital, in Beijing, evaluated the time

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