The relative risk of household contacts becoming SARS-CoV-2 positive goes up 5x if there is an asymptomatic child who was positive Outcomes of SARS-CoV-2-Positive Youths Tested in Emergency Departments: The Global PERN-COVID-19 Study Prospective cohort study of children with suspected SARS-CoV-2 infection presenting to paediatric emergency departments: a Paediatric Emergency Research Networks (PERN) Study Protocol 87 (13%) of eligible SARS-CoV-2 positive children around the world who had Chest X-Rays had radiographic Pneumonia findings