Studies on the Epidemiology of the Human Intestinal Fluke, Fasciolopsis Buski (Lankester) in Central Thailand

Elvio H. Sadun Public Health Office, Special Technical and Economic Mission to Thailand, Mutual Security Agency, and the Division of Communicable Disease Control, Department of Health, Thai Ministry of Public Health

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Chetana Maiphoom Public Health Office, Special Technical and Economic Mission to Thailand, Mutual Security Agency, and the Division of Communicable Disease Control, Department of Health, Thai Ministry of Public Health

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Summary and Conclusions

A total of 2,936 persons was examined in Central Thailand for the presence of Fasciolopsis buski. The results support the conclusion that this infection is endemic in the examined areas where water caltrops (Trapa bicornis) are cultivated. A correlation between the degree of water pollution and incidence of infection was observed in different districts. The highest incidence and intensity of infection was found among children 10 to 14 years of age. To the authors' knowledge this is the first time that fasciolopsiasis has been reported as endemic in Thailand.

Author Notes

Scientist, Division of International Health, United States Public Health Service.

Senior Technician, Department of Health, Thai Ministry of Public Health.

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