The Faculty of Medicine at The Chinese University of Hong Kong (CU Medicine) has found that most toddlers infected with SARS-CoV2 virus do not have symptoms, but have a high viral load and a long duration of live viral shedding. Therefore, they may silently spread the infection in the community. Detection and prevention of SARS-CoV2 infection in children in Hong Kong should be properly addressed as face-to-face classes in schools will be gradually resumed after the Easter holidays. A stool test is an invasive and accurate method for diagnosis of infection. It is more feasible for young children compared with deep throat saliva method or combined nasal and throat swab. To cut off the hidden chain of virus transmission, CU Medicine suggests promoting the use of stool tests for community compulsory testing or daily COVID-19 testing of young children.
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