Haemophilus influenzae associated with acute respiratory illnesses in young children.
D000208:Acute Disease; D002648:Child; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000302:isolation & purification*; D006801:Humans; D007223:Infant; D010614:Pharynx / Q000382:microbiology*; D012141:Respiratory Tract Infections / Q000382:microbiology*; D014777:Virus Diseases / Q000382:microbiology