Schools and educational institutions around the world have temporarily shut to contain the spread of coronavirus. But how effective have been these closures on slowing the spread of Covid-19?
Although children were much less likely to be infected, their high rates of contact made them a vector. Where schools remained open, children had about three times as many contacts as adults and three times as many opportunities to become infected. But school closures potentially reduced it 40-60 percent, the study said.
Read more: Coronavirus is less deadly than we thought, says German expert