Clinical, epidemiological, and socioeconomic analysis of an outbreak of Vibrio parahaemolyticus in Khanh Hoa Province, Vietnam


Tuyet, DT; Thiem, VD; von Seidlein, L; Chowdhury, A; Park, E; Canh, DG; Chien, BT; van Tung, T; Naficy, A; Rao, MR; Ali, M; Lee, H; Sy, TH; Nichibuchi, M; Clemens, J; Trach, DD; (2002) Clinical, epidemiological, and socioeconomic analysis of an outbreak of Vibrio parahaemolyticus in Khanh Hoa Province, Vietnam. The Journal of infectious diseases, 186 (11). pp. 1615-20. ISSN 0022-1899 DOI: 10.1086/345731

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Abstract

From 1996 onward, a pandemic spread of Vibrio parahaemolyticus infections due to one clone has been reported in several Asian countries. During a population-based study that relied on passive surveillance, 548 cases of V. parahaemolyticus infection were detected between 1997 and 1999 in the Khanh Hoa province of Vietnam. Detection of cases of V. parahaemolyticus infection abruptly stopped in November 1999, although Vibrio species other than V. parahaemolyticus continued to be isolated throughout 2000. Of the infections, 90% occurred in individuals >5 years old; 53% of the patients presented with watery stools, and 6% reported blood in their stools. All patients had recovered by the time of discharge. A surprising risk factor for V. parahaemolyticus infections was high socioeconomic status. Like the interruption of the transmission of V. cholerae infections that had been observed earlier, the transmission of V. parahaemolyticus came to a halt without meteorological changes or changes in water supply and sanitation.

Item Type: Article
Keywords: Adolescent, Adult, Aged, Case-Control Studies, Child, Child, Preschool, *Disease Outbreaks, Female, Humans, Male, Middle Aged, Socioeconomic Factors, Vibrio Infections/*epidemiology/microbiology/*physiopathology, Vibrio parahaemolyticus/*isolation & purification, Vietnam/epidemiology, Adolescent, Adult, Aged, Case-Control Studies, Child, Child, Preschool, Disease Outbreaks, Female, Humans, Male, Middle Aged, Socioeconomic Factors, Vibrio Infections, epidemiology, microbiology, physiopathology, Vibrio parahaemolyticus, isolation & purification, Vietnam, epidemiology
Faculty and Department: Faculty of Infectious and Tropical Diseases > Dept of Disease Control
PubMed ID: 12447738
Web of Science ID: 179144900011
URI: http://researchonline.lshtm.ac.uk/id/eprint/10245

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