Schools may see a burst of the common cold when they reopen, research suggests
A curious thing happened when Hong Kong reopened schools after closing them because of the Covid-19 pandemic. It bears watching here.
Hong Kong closed its schools to in-person learning from late January 2020 to late May — and then again in early July, when more Covid cases were detected. Within a few weeks of schools reopening in October, they started to see large numbers of kids getting sick, despite mandatory mask-wearing, additional spacing between desks, and other measures to lower the risk of spread of SARS-CoV-2, the virus that causes Covid-19.
