Clinical research significant COVID-19 burden in Polish children

Introduction: COVID-19 cases have rarely been reported in children. We sought to analyse the attack rate in paediatric population in Poland, focusing on local variations among the provinces, correlation with the number of tests per capita, and test positivity rate. Material and methods: This cross-sectional study involved the 38.38 million population and detected 17,921 cases (age known in 17,822). Data were collected from publicly available registries and were analysed by age group and province of the country.