[Epidemiologic surveillance of acute respiratory infection (ARI) in children].
D000208:Acute Disease; D000260:Adenoviruses, Human / Q000302:isolation & purification; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000382:microbiology; D013296:Streptococcus pneumoniae / Q000302:isolation & purification