School reopening without robust COVID-19 mitigation risks accelerating the pandemic. Issue 10280 (27th March 2021) - Gurdasani, Deepti; Alwan, Nisreen A; Greenhalgh, Trisha; Hyde, Zoë; Johnson, Luke; McKee, Martin; Michie, Susan; Prather, Kimberly A; Rasmussen, Sarah D; Reicher, Stephen; Roderick, Paul; Ziauddeen, Hisham