Acute lower respiratory illness in elderly patients with respiratory syncytial virus infection.
D000208:Acute Disease; D000367:Age Factors; D000368:Aged; D000906:Antibodies; D001991:Bronchitis / Q000382:microbiology; D001996:Bronchopneumonia / Q000382:microbiology; D003168:Complement Fixation Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D009174:Mycoplasma / Q000302:isolation & purification; D009500:Neutralization Tests; D012136:Respiratory Syncytial Viruses / Q000276:immunology / Q000302:isolation & purification*; D012141:Respiratory Tract Infections / Q000382:microbiology*
D000906:Antibodies