Allergy and asthma in children
A prevalence study of allergic diseases in children has been regularly conducted as a cross-sectional questionnaire survey in 18 cities of the Czech Republic in cooperation with general paediatiricians and parents. The data were collected in 1996, 2001, 2006 , 2011 and 2016 on the prevalence of allergic diseases, their distribution by diagnosis and age. A medical questionnaire on patient medical history and allergic disease and a parental questionnaire focused on personal history and lifestyle were part of the study.