The most striking feature about the impact of Covid-19 on children is how little research has been conducted in the field. Only a handful of studies have been carried out across the world, and scientists are divided over their interpretation. As a result, politicians are now being asked to decide if they should open schools in order to protect children’s mental health and education without any clear scientific guidance about the risks of triggering a second wave of Covid-19 and infecting school staff in the process. It is known that children are less likely to become ill if infected with...