RESPIRATORY SYNCYTIAL VIRUS.
D000818:Animals; D001991:Bronchitis; D001996:Bronchopneumonia; D002648:Child; D003168:Complement Fixation Tests; D004813:Epidemiology; D006801:Humans; D009975:Orthomyxoviridae; D012136:Respiratory Syncytial Viruses; D012141:Respiratory Tract Infections; D046509:Tissue Culture Techniques; D014714:Vertebrates; D014776:Virus Cultivation; D014780:Viruses
BRONCHITIS; BRONCHOPNEUMONIA; CHILD; COMPLEMENT FIXATION TESTS; EPIDEMIOLOGY; MYXOVIRUS; RESPIRATORY TRACT INFECTIONS; TISSUE CULTURE; VERTEBRATE VIRUSES; VIRUS CULTIVATION