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Volume 15, Number 4—April 2009

Animal Reservoir Hosts and Fish-borne Zoonotic Trematode Infections on Fish Farms, Vietnam

Nguyen Thi Lan AnhComments to Author , Nguyen Thi Phuong, K. Darwin Murrell, Maria Vang Johansen, Anders Dalsgaard, Luong To Thu, Tran Thi Kim Chi, and Stig Milan Thamsborg
Author affiliations: National Institute of Veterinary Research, Hanoi, Vietnam (N.T.L. Anh, N.T. Phuong, L.T. Thu); University of Copenhagen, Copenhagen, Denmark (N.T.L. Anh, D. Murrell, M. Vang Johansen, A. Dalsgaard, S.M. Thamsborg); Research Institute for Aquaculture I, Tu Son, Bắc Ninh, Vietnam (T.T.K. Chi)

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Table 4

Total daily egg excretions and relative transmission index of domestic animals and humans, Nghe An Province, Vietnam, November 2005*

Species Total no. animals Prevalence, % Intensity, epg TDEE, 106 RTI, %
Humans 886,700 0.6† 215† 183 19
Dogs 332,039 35.0 25 288 31
Cats 141,254 48.6 66 91 10
Pigs 425,306 14.4 4 371 40

*Epg, eggs per gram; TDEE, total daily egg excretions; RTI, relative transmission index.
†Data obtained from Olsen et al. (5) and Annette Olsen (pers. comm.).

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  1. Chai  JY, Murrell  KD, Lymbery  AJ. Fish-borne parasitic zoonoses: status and issues. Int J Parasitol. 2005;35:123354.DOIPubMedGoogle Scholar
  2. Murrell  KD, Fried  B. Food-borne parasitic zoonoses, fish and plant-borne parasites. New York: Springer; 2007. p. 3–115.
  3. Trung Dung  D, Van De  N, Waikagul  J, Dalsgaard  A, Chai  JY, Sohn  WM, Fishborne zoonotic intestinal trematodes, Vietnam. Emerg Infect Dis. 2007;13:182833.PubMedGoogle Scholar
  4. World Health Organization. Report of joint WHO/FAO workshop on food-borne trematode infections in Asia, Hanoi, Vietnam. Organization. 2004;158.
  5. Olsen  A, Le  KT, Murrell  KD, Dalsgaard  A, Johansen  MV, De  NV. Cross-sectional parasitological survey for helminth infections among fish farmers in Nghe An province. Vietnam. Acta Trop. 2006;100:199204.DOIGoogle Scholar
  6. Chi  TTK, Dalsgaard  A, Turnbull  JF, Pham  AT, Murrell  KD. Prevalence of zoonotic trematodes in fish from Vietnamese fish-farming community. J Parasitol. 2008;94:4238.DOIPubMedGoogle Scholar
  7. Willingham  AL, Johansen  MV, Barnes  BH. A new technic for counting Schistosoma japonicum eggs in pig feces. Southeast Asian J Trop Med Public Health. 1998;29:12830.PubMedGoogle Scholar
  8. Anh  NT, Phuong  NT, Ha  GH, Thu  LT, Johansen  MV, Murrell  DK, Evaluation of techniques for detection of small trematode eggs in feces of domestic animals. Vet Parasitol. 2008;156:3469.DOIPubMedGoogle Scholar
  9. Pearson  JC, Ow-Yang  CK. New species of Haplorchis from Southeast Asia, together with keys to the Haplorchis-group of heterophyid trematodes of the region. Southeast Asian J Trop Med Public Health. 1982;13:3560.PubMedGoogle Scholar
  10. Yamaguti  S. Synopsis of digenetic trematodes of vertebrates, vol. 1. Tokyo: Keigaku Publishing Company; 1971.
  11. Wang  TP, Johansen  MV, Zhang  SQ, Wang  FF, Wu  WD, Zhang  GH, Transmission of Schistosoma japonicum by humans and domestic animals in the Yangtze River valley, Anhui province, China. Acta Trop. 2005;96:198204.DOIPubMedGoogle Scholar
  12. Atlas  VA. Hanoi, Vietnam: Cartographic Publishing House; 2005.
  13. Rim  HJ. Clonorchiasis: an update. J Helminthol. 2005;79:26981.DOIPubMedGoogle Scholar
  14. Sadun  EH. Studies on Opisthorchis viverrini in Thailand. Am J Hyg. 1955;62:81115.PubMedGoogle Scholar
  15. Hong  ST, Choi  MH, Kim  CH, Chung  BS, Ji  Z. The Kato-Katz method is reliable for diagnosis of Clonorchis sinensis infection. Diagn Microbiol Infect Dis. 2003;47:3457.DOIPubMedGoogle Scholar
  16. Chai  JY. Intestinal flukes. In: Murrell KD, Fried B, editors. Food-borne parasitic zoonoses. New York: Springer; 2007. p. 53–116.
  17. Hong  SJ, Seo  BS, Lee  SH, Chai  JY. A human case of Centrocestus armatus infection in Korea. Korean J Parasitol. 1988;26:5560.
  18. Chai  JY, Lee  SH. Food-borne intestinal trematode infections in the Republic of Korea. Parasitol Int. 2002;51:12954.DOIPubMedGoogle Scholar
  19. Chai  JY, Han  ET, Guk  SM, Shin  EH, Sohn  WM, Yong  TS, High prevalence of liver and intestinal fluke infections among residents of Savannakhet Province in Laos. Korean J Parasitol. 2007;45:2138.DOIPubMedGoogle Scholar
  20. Pearson  JC. A revision of the subfamily Haplorchinae Loss, 1899 (Trematoda: Heterophyinae). Parasitology. 1964;54:60476.
  21. Eom  KS, Rim  HJ, Jang  DH. A study on the parasitic helminths of domestic duck (Anas platyrhynchos var. domestica Linnaeus) in Korea. Korean J Parasitol. 1984;22:21521.

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