Information from World Health Organization Malaria Control Program. Available at: http:// www.who.ch/whosis/malinfo/4-poscum.htm.
Centers for Disease Control and Prevention. Human plagu—India, 1994 . MMWR Morb Mortal Wkly Rep . 1994;;43:689-691.
Centers for Disease Control and Prevention. Detection of notifiable diseases through surveillance for imported plague—New York, September-October, 1994 . MMWR Morb Mortal Wkly Rep . 1994;;43:805-807.
Ryan CA, Nickels MK, Hargrett-Bean NT, et al. Massive outbreak of antimicrobial-resistant salmonellosis traced to pasteurized milk . JAMA . 1987;;258:3269-3274.
Mishu B, Koehler J, Lee LA, et al. Outbreaks of Salmonella enteritidis infections in the United States, 1985-1991 . J Infect Dis . 1994;;169:547-552.
Ryan CA, Hargrett-Bean NT, Blake PA. Salmonella typhi infections in the United States, 1975-1984: increasing role of foreign travel . Rev Infect Dis . 1989;;11:1-8.
Mathieu JJ, Henning KJ, Bell E, Frieden TR. Typhoid fever in New York City, 1980 through 1990 . Arch Intern Med . 1994;;154:1713-1718.
Lin F-YC, Becke JM, Groves C, et al. Restaurant-associated outbreak of typhoid fever in Maryland: identification of carrier facilitated by measurement of serum Vi antibodies . J Clin Microbiol . 1988;;26:1194-1197.
Birkhead GS, Morse DL, Levine WC, et al. Typhoid fever at a resort hotel in New York: a large outbreak with an unusual vehicle . J Infect Dis . 1993;;167:1228-1232.
Centers for Disease Control. Typhoid fever—Skagit County, Washington . MMWR Morb Mortal Wkly Rep . 1990;;39:749-751.
Cote TR, Convery H, Robinson D, et al. Typhoid fever in the park: epidemiology of an outbreak at a cultural interface . J Community Health . 1995;;20:451-458.
Miller SI, Hohmann EL, Pegues DA. Salmonella (including Salmonella typhi) . In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases . 4th ed. New York, NY: Churchill Livingstone; 1995;:2013-2033.
Osler W. Analysis and general summary of the cases [of typhoid fever] from 1889-1899 . Johns Hopkins Hosp Rep . 1900;;8:421-422.
Butler T, Islam A, Kabir I, Jones PK. Patterns of morbidity and mortality in typhoid fever dependent on age and gender: review of 552 hospitalized patients with diarrhea . Rev Infect Dis . 1991;;13:85-90.
Klotz SA, Jorgensen JH, Buckwold FJ, Craven PC. Typhoid fever: an epidemic with remarkably few clinical signs and symptoms . Arch Intern Med . 1984;;144:533-537.
Jagadish K, Patwari AK, Sarin SK, Prakash C, Srivastava DK, Anand VK. Hepatic manifestations in typhoid fever . Indian Pediatr . 1994;;31:807-811.
Stuart BM, Pullen RL. Typhoid: clinical analysis of three hundred and sixty cases . Arch Intern Med . 1946;;78:629-661.
Figueroa Damian R, Segura Cervantes E, Garcia Arce T, de la Cruz Bolaanos R. Fiebre tifoidea durante la gestacion: curso clinico, tratamiento y repercusion perinatal . Ginecol Obstet Mex . 1994;;62:362-367.
Rao PS, Rajashekar V, Varghese GK, Shivananda PG. Emergence of multidrug-resistant Salmonella typhi in rural southern India . Am J Trop Med Hyg . 1993;;48:108-111.
Alam MN, Haq SA, Das KK, et al. Efficacy of ciprofloxacin in enteric fever: comparison of treatment duration in sensitive and multidrug-resistant Salmonella . Am J Trop Med Hyg . 1995;;53:306-311.
Nolan CM, White PC Jr. Treatment of typhoid carriers with amoxicillin: correlates of successful therapy . JAMA . 1978;;239:2352-2354.
Centers for Disease Control and Prevention. Health information for international travel. Available at: http://www.cdc.gov/travel/travel.html.
Cushing H. The Life of Sir William Osler . London, England: Oxford University Press; 1940;:379.
Levine MM. Typhoid fever vaccines . In: Plotkin SA, Mortimer EA Jr, eds. Vaccines . 2nd ed. Philadelphia, Pa: WB Saunders Co; 1994;:597-633.
Germanier R, Fhrer E. Isolation and characterization of gal E mutant Ty21a of Salmonella typhi: a candidate strain for a live oral typhoid vaccine . J Infect Dis . 1975;;141:553-558.
Wahdan MH, Sérié C, Cerisier Y, Sallam S, Germanier R. A controlled field trial of live Salmonella typhi strain Ty 21a oral vaccine against typhoid: three-year results . J Infect Dis . 1982;;145:292-295.
Levine MM, Ferreccio C, Black RE, Germanier R, Chilean Typhoid Committee. Large-scale field trial of Ty21A live oral typhoid vaccine in entericcoated capsule formulation . Lancet . 1987;;329:1049-1052.
Simanjuntak CH, Paleologo FP, Punjabi NH, et al. Oral immunisation against typhoid fever in Indonesia with Ty21a vaccine . Lancet . 1991;;338:1055-1059.
Plotkin SA, Bouveret-Le Cam N. A new typhoid vaccine composed of the Vi capsular polysaccharide . Arch Intern Med . 1995;;155:2293-2299.
Felix A, Pitt RM. A new antigen of B. typhosus: its relation to virulence and to active and passive immunisation . Lancet . 1934;;2:186-191.
Acharya IL, Lowe CU, Thapa R, et al. Prevention of typhoid fever in Nepal with the Vi capsular polysaccharide of Salmonella typhi: a preliminary report . N Engl J Med . 1987;;317:1101-1104.
Klugman KP, Gilbertson IT, Koornhof HJ, et al. Protective activity of Vi capsular polysaccharide vaccine against typhoid fever . Lancet . 1987;;330:1165-1169.
Centers for Disease Control and Prevention. Typhoid immunization: recommendations of the Advisory Committee on Immunization Practices (ACIP) . MMWR Morb Mortal Wkly Rep . 1994;;43 (
(RR-14)
):1-7.
Childs C. Letter to William Osler (undated). Baltimore, Md: Alan M. Chesney Medical Archives, The Johns Hopkins Medical Institutions.