title: Changing pattern of typhoid fever.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000372:Agglutination Tests; D002701:Chloramphenicol / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D012486:Salmonella typhimurium / Q000302:isolation & purification; D012621:Seasons; D012737:Sex Factors; D014435:Typhoid Fever / Q000150:complications / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology / Q000401:mortality
chemical_list: D002701:Chloramphenicol