COVID-19 study found that 0.4% of 5730 asymptomatic children aged 0-18 years tested positive for virus before hospital procedures or admission.
Meike MeyerEsra RuebsteckHenning GruellFlorian KleinClara LehmannStefanie WendtChristoph HuenselerLutz Thorsten WeberPublished in: Acta paediatrica (Oslo, Norway : 1992) (2021)