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

Dinh Thi Tuyet, Vu Dinh Thiem, Lorenz Von Seidlein, Ashrafazzuman Chowdhury, Eunsik Park, Do Gia Canh, Bui Trong Chien, Tran Van Tung, Abdollah Naficy, Malla Raghav Rao, Mohammad Ali, Hyejon Lee, Trinh Hung Sy, Mitsuaki Nichibuchi, John Clemens, Dang Duc Trach

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish (US)
Pages (from-to)1615-1620
Number of pages6
JournalJournal of Infectious Diseases
Volume186
Issue number11
DOIs
StatePublished - Dec 1 2002

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

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