“These patients actually tested negative after taking a RT-PCR test using samples from the nasal cavity or the throat,” he said, adding that the RNA can be found in patients’ stools for up to seven months. Anan said most patients who have Covid RNA in their stools are those with symptoms related to the digestive system, such as stomach ache and nausea.

Source: The Nation Bangkok April 14, 2022 06:36 UTC