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Imported Opisthorchis viverrini and parasite infections from Thai labourers in Taiwan

  • H. W. Peng (a1), H. L. Chao (a1) and P. C. Fan (a2)

In order to determine the prevalence of intestinal parasites among labourers from Thailand in Taiwan, the stool samples from 1364 Thai labourers were examined by the formalin-ether concentration method and 18·0% were found to be infected with one or more parasites. The infection rates of hookworm, Opisthorchis viverrini, Strongyloides stercoralis, Enterobius vermicularis, Ascaris lumbricoides, Hymenolepis nana, Capillaria philippinensis, Schistosoma japonicum, Echinostoma sp., Entamoeba coli, Giardia lamblia, and Entamoeba histolytica, were 7·6%, 7·0%, 3·2%, 0·5%, 0·3%, 0·1%, 0·1%, 0·l%,0·l%, 0·4%, 0·2%, and 0·1% respectively. The prevalence was highest among the 21–25 age group (24·8%). Among the 245 infected persons, 91% were infected with one parasite, 8% with two parasites and 1% with three parasites. The finding that parasitic infections are prevalent among Thai labourers demonstrates the need for control measures in foreign labourers in Taiwan and further studies to determine the susceptibility of O. viverrini to the snail hosts of Clonorchis sinensis.

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M. Bhaibulaya , S. Indra-Ngram & M. Anathapruit (1979) Freshwater fishes of Thailand as experimental intermediate hosts for Capillaria philippinensis. International Journal for Parasitology, 9, 105108.

M. B. Chitwood , C. Velasquez & N. G. Salazar (1968) Capillaria philippinensis sp. n. (Nematoda: Trichinellida) from intestine of man in the Philippines. Journal of Parasitology, 54, 368371.

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N. S. Mansour , M. H. Anis & E. M. Mikhail (1990) Human intestinal capillariasis in Egypt. Transactions of the Royal Society of Tropical Medicine and Hygiene, 84, 114.

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Journal of Helminthology
  • ISSN: 0022-149X
  • EISSN: 1475-2697
  • URL: /core/journals/journal-of-helminthology
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