AETIOLOGIC AGENTS IN RESPIRATORY ILLNESS. OCCURRENCE OF BACTERIA AND SEROLOGIC REACTIONS AGAINST VIRUSES AND BACTERIA IN ACUTE RESPIRATORY ILLNESS.
D000293:Adolescent; D001419:Bacteria; D001432:Bacteriology; D001996:Bronchopneumonia; D002648:Child; D005853:Geriatrics; D006801:Humans; D007223:Infant; D012141:Respiratory Tract Infections; D012698:Serologic Tests; D014780:Viruses
ADOLESCENCE; BACTERIOLOGY; BRONCHOPNEUMONIA; CHILD; GERIATRICS; INFANT; RESPIRATORY TRACT INFECTIONS; SERODIAGNOSIS; VIRUSES