The finding highlights the threat of potential fecal-oral viral transmissions, the researchers said.
They also said there was more than one coronavirus patient in Hong Kong who had a positive stool test, while respiratory tests were negative, which could mean stool tests were "more effective" for screening specific groups of people.
The study was published in the international medical journal GUT.
(Writers: Twinnie Siu, Marius Zaharia | Editor: Christian Schmollinger)
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