Epidemiology of diarrhoeal illness associated with coccidian-like organism among travellers and foreign residents in Nepal

Hoge, C. W.; Shlim, David R.; Rajah, Ramachandran; Triplett, James; Shear, Mervyn; Rabold, J; Echeverria, Peter

doi:10.1016/0140-6736(93)91002-4

Cited by 166 publications

(85 citation statements)

References 11 publications

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“…Blastocystis hominis was found in one other patient although its role as a gastrointestinal pathogen remains controversial. These findings agree with those of Hoge and colleagues [6].…”

Section: Discussionsupporting

confidence: 79%

“…Oocysts of C. cayetanensis were absent in the 26 negative control stool samples. Although only a small number of control individuals were screened in this study, this finding confirms that symptom-free carriage of the organism is rare and is in agreement with other workers [6].…”

Section: Discussionsupporting

confidence: 79%

“…They are circular, between 8 and 10 ,um in diameter and often possess an internal morulla of [6][7] ,tm in diameter. This internal morulla has a green tinge under light microscopy and has a number of inclusions about 2 ,um in diameter [8,9].…”

Section: Introductionmentioning

confidence: 99%

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The incidence ofCyclospora cayetanensisin stool samples submitted to a district general hospital

Clarke

McIntyre

1996

Epidemiol. Infect.

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SUMMARYCyclospora cayetanensis is the cause of a prolonged diarrhoeal syndrome. In the UK most cases are seen in travellers who have returned from countries in which the organism is endemic. The purpose of this investigation was to determine the incidence of C. cayetanensis in stool samples submitted to a district general hospital. A total of 6151 stools from 5374 different patients were screened for the presence of C. cayetanensis over a 1-year period using the modified Ziehl-Neelsen technique. Oocysts of C. cayetanensis were found in 7 stools (0 1 %) from 4 patients (007 %). All four patients were adult travellers who had visited countries in which C. cayetanensis is known to be endemic. In the population of this study, C. cayetanensis was found to be a rare cause of diarrhoea. Although C. cayetanensis infection should be considered in individuals of all ages who have lived in, or have travelled to endemic areas, there is no need to screen stool samples for the organism in those without such a travel history.

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“…Blastocystis hominis was found in one other patient although its role as a gastrointestinal pathogen remains controversial. These findings agree with those of Hoge and colleagues [6].…”

Section: Discussionsupporting

confidence: 79%

Section: Discussionsupporting

confidence: 79%

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The incidence ofCyclospora cayetanensisin stool samples submitted to a district general hospital

Clarke

McIntyre

1996

Epidemiol. Infect.

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“…Thus, cryptosporidiosis is transmitted through a variety of routes, including contaminated water or food, from person to person, or from animal to person. In contrast, the only major known risk factors for cyclosporiasis are consumption of contaminated water or produce (12–14). …”

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confidence: 99%

Epidemiologic Differences Between Cyclosporiasis and Cryptosporidiosis in Peruvian Children

Bern

Ortega

Checkley

et al. 2002

Emerg. Infect. Dis.

114

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We compared the epidemiologic characteristics of cyclosporiasis and cryptosporidiosis in data from a cohort study of diarrhea in a periurban community near Lima, Peru. Children had an average of 0.20 episodes of cyclosporiasis/year and 0.22 episodes of cryptosporidiosis/year of follow-up. The incidence of cryptosporidiosis peaked at 0.42 for 1-year-old children and declined to 0.06 episodes/child-year for 5- to 9-year-old children. In contrast, the incidence of cyclosporiasis was fairly constant among 1- to 9-year-old children (0.21 to 0.28 episodes/child-year). Likelihood of diarrhea decreased significantly with each episode of cyclosporiasis; for cryptosporidiosis, this trend was not statistically significant. Both infections were more frequent during the warm season (December to May) than the cooler season (June to November). Cryptosporidiosis was more frequent in children from houses without a latrine or toilet. Cyclosporiasis was associated with ownership of domestic animals, especially birds, guinea pigs, and rabbits.

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“…Most of the currently available information has been derived mainly from studies on international travelers, expatriates, or at-risk groups, primarily children and human immunodeficiency virus (HIV) or AIDS patients (9,(12)(13)(14). The information available thus far includes two studies from Peru (14,15), two from Nepal (10), and one from Guatemala (2).…”

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confidence: 99%

Cyclospora cayetanensis in Three Populations at Risk in Guatemala

et al. 2001

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In 1996 and 1997, outbreaks of Cyclospora cayetanensis in North America were linked to Guatemalan raspberries. From April 1999 to April 2000, we undertook a survey for C. cayetanensis in raspberry farm workers, malnourished children, and human immunodeficiency virus and AIDS patients in Guatemala. Stool samples were analyzed using ethylacetate-formalin concentration, wet preparation, modified acid-fast staining method, and epifluorescence. Oocysts were found in 1.5% of the subjects, none of whom were raspberry farm workers.

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Epidemiology of diarrhoeal illness associated with coccidian-like organism among travellers and foreign residents in Nepal

Cited by 166 publications

References 11 publications

The incidence ofCyclospora cayetanensisin stool samples submitted to a district general hospital

The incidence ofCyclospora cayetanensisin stool samples submitted to a district general hospital

Epidemiologic Differences Between Cyclosporiasis and Cryptosporidiosis in Peruvian Children

Cyclospora cayetanensis in Three Populations at Risk in Guatemala

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