Respiratory virus surveillance--United States, January 1985.
D006801:Humans; D010224:Parainfluenza Virus 3, Human; D018184:Paramyxoviridae Infections / Q000453:epidemiology; D012136:Respiratory Syncytial Viruses; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000382:microbiology; D010253:Respirovirus Infections / Q000453:epidemiology; D014481:United States