title: Active surveillance of rare and serious diseases in children.
mesh_terms: D002669:Child Welfare; D002675:Child, Preschool; D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D018445:Infectious Disease Transmission, Vertical / Q000517:prevention & control; D007391:International Cooperation; D008297:Male; D011159:Population Surveillance; D011247:Pregnancy; D006113:United Kingdom / Q000453:epidemiology