Publications

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vibrio parahaemolyticus: a major cause of travelers' diarrhea in bangkok.travelers' diarrhea in bangkok, thailand was investigated in a group of 146 hotel guests who had diarrhea during their stay in the city. the identified pathogenic organisms were vibrio parahaemolyticus in 45 (31%), vibrio cholerae in 1, nonagglutinable vibrio in 1, and entamoeba histolytica in 3. identification of enterotoxigenic escherichia coli was not attempted. the study suggests that vibrio parahaemolyticus is a major cause of travelers' diarrhea in bangkok.19827058975
protozoan enteric infection in aids related diarrhea in thailand.the aim of this study was to determine the prevalence of enteric protozoa and other pathogens in aids patients with diarrhea in bangkok, thailand. of 288 consecutive patients screened in the 10 month period between november 1999-august 2000 inclusive, 55 (19.2%) had cryptosporidium spp, 13 (4.5%) had isospora oocyst, 11 (3.8%) had giardia lamblia, 3 (0.9%) had entamoeba histolytica, and 1 (0.3%) had iodamoeba butschlii infection. the prevalence of microsporidia was 11% in this study. of 251 pati ...200112041580
quantification of diarrhea risk related to wastewater contact in thailand.wastewater reuse contributes to closing the nutrient recycling loop as a sustainable way of managing water resources. bangkok has over a thousand man-made drainage and irrigation canals for such purposes. its use for agricultural and recreational purposes has a long tradition in rural and peri-urban areas. however, the continuation of these practices is increasingly questioned since potential health risks are an issue if such practices are not appropriately managed. the microbial and chemical qu ...201222311100
prevalence of blastocystis hominis infection in asymptomatic individuals from bangkok, thailand.fresh stool examination was performed from 2,230 participants who enrolled in annual check-up programs of the faculty of medical technology, mahidol university in 1999-2000 and 2004. in this study, blastocystis hominis infection was diagnosed by culturing in jones' media. a total of 21% of fecal specimens (in 1999-2000) and 13.7% (in 2004) were positive for b. hominis. the vacuolated form was the predominant form found in culture solution after 48 hours of incubation. the distribution of infecti ...200516438173
seroepidemiology of amoebiasis in the villagers in phichit province and urban slum dwellers in bangkok, thailand.a serological survey was conducted in the villages of phichit province, northern region and in the urban slum communities in bangkok to determine whether amoebiasis was endemic in the areas and to determine the prevalence rates. six rural villages, ethnically and culturally alike with a population of 3,019 and two urban slums with a population of 1,510 were surveyed. sera were tested for indirect hemagglutination antibody (iha) to entamoeba histolytica and the stools examined for the parasite by ...19827170636
intestinal parasites in pediatric patients with diarrhoeal diseases in bangkok.stool examinations of 147 pediatric patients with diarrhoeal disease were carried out at siriraj hospital, bangkok by using the direct-smear technique. stool of 27 patients (18.4%) were positive for intestinal parasites. children under one year of age were free of intestinal helminths and protozoa. parasites were equally prevalent in males and females and without any age group predilection. the prevalence of intestinal parasites were entamoeba histolytica 6.8%, giardia lamblia 6.1%, others were ...19846523173
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