Children of preschool and school age are more prone to acute respiratory infections than adults. This is associated with several factors, and there are ways to help the child’s immune system mature faster. Dr. Serhiy Kramariov, Doctor of Medical Sciences, Professor, Head of the Department of Pediatric Infectious Diseases at the National University of Ukraine named after O. O. Bogomolets, and Honored Doctor of Ukraine, explained why children under 12 are more susceptible to illnesses than older children and adults in an interview with RBC-Ukraine. According to the expert, the maturation of the …