University of Guelph researchers shows that more than one-third of confirmed COVID-19 cases among children are asymptomatic.A team of researchers analyzed all of the nearly 220,000 positive cases in Ontario during the pandemic, from January 2020 to January 2021.
Education minister criticized for low COVID-19 testing in Ontario schools The data shows that 35 per cent of children under the age of nine who tested positive for the virus were asymptomatic.Another 31.4 per cent only showed a single symptom with the most common being a fever.Engineering professor Dr.