Reopening schools during the COVID-19 pandemic: governments must balance the uncertainty and risks of reopening schools against the clear harms associated with prolonged closure. Issue 2 (3rd August 2020) - Viner, Russell M; Bonell, Christopher; Drake, Lesley; Jourdan, Didier; Davies, Nicolette; Baltag, Valentina; Jerrim, John; Proimos, Jenny; Darzi, Ara