Andrew Morris is a professor of infectious diseases at Sinai Health, University Health Network, and the University of Toronto. He is a member of the Ontario COVID-19 Science Advisory Table.
We should not rule out school closures, since even though the short-term consequences of COVID-19 on children generally appear to be mild, they are not always benign – and no-one even knows what the long-term effects are. Furthermore, transmission does occur within schools, which can endanger not only schoolchildren but the broader community.