title: Acute parotitis associated with parainfluenza 3 virus infection.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008297:Male; D018184:Paramyxoviridae Infections / Q000150:complications*; D010309:Parotitis / Q000209:etiology*; D010614:Pharynx / Q000382:microbiology