Vi reaction in Hong Kong.
D000328:Adult; D000368:Aged; D000667:Ampicillin / Q000627:therapeutic use; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D000917:Antibody Formation; D001803:Blood Transfusion; D002353:Carrier State / Q000175:diagnosis* / Q000453:epidemiology; D002701:Chloramphenicol / Q000627:therapeutic use; D005260:Female; D006723:Hong Kong; D006801:Humans; D008297:Male; D008875:Middle Aged; D012698:Serologic Tests; D013256:Steroids / Q000627:therapeutic use; D014435:Typhoid Fever / Q000175:diagnosis* / Q000188:drug therapy
D000900:Anti-Bacterial Agents; D013256:Steroids; D002701:Chloramphenicol; D000667:Ampicillin