title: Persistent infection with parainfluenza type 3 virus in man.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D001991:Bronchitis / Q000150:complications*; D002353:Carrier State; D003237:Connecticut; D004196:Disease Outbreaks; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D005779:Immunodiffusion; D007070:Immunoglobulin A / Q000302:isolation & purification; D007074:Immunoglobulin G / Q000302:isolation & purification; D009500:Neutralization Tests; D018184:Paramyxoviridae Infections / Q000453:epidemiology*; D011656:Pulmonary Emphysema / Q000150:complications*; D018108:Respirovirus / Q000302:isolation & purification; D013183:Sputum / Q000276:immunology
chemical_list: D000914:Antibodies, Viral; D007070:Immunoglobulin A; D007074:Immunoglobulin G