Introduction acute respiratory infections in military personnel.
D000208:Acute Disease; D000256:Adenoviridae / Q000302:isolation & purification; D000328:Adult; D006801:Humans; D008887:Military Medicine; D009345:Neisseria meningitidis / Q000302:isolation & purification; D012141:Respiratory Tract Infections / Q000276:immunology*; D012698:Serologic Tests; D013020:South America; D014612:Vaccines / Q000592:standards*; D014744:Vietnam
D014612:Vaccines