📚 Acta Paediatr Articles (2) Why is COVID-19 so mild in children? 👤 Brodin, Petter ⏰ 2020 📚 Acta Paediatr Systematic review of COVID-19 in children shows milder cases and a better prognosis than adults. 👤 Ludvigsson, Jonas F ⏰ 2020 📚 Acta Paediatr