Trichinella infection in wild boars and synanthropic rats in northwest Vietnam

Veterinary Parasitology
N Vu ThiP Dorny

Abstract

Trichinellosis is an emerging parasitic zoonosis in North Vietnam. In this survey, hunted and farm-bred wild boars as well as synanthropic rats were sampled in two provinces of northwest Vietnam where outbreaks of trichinellosis have recently occurred. Evidence of Trichinella infection was studied by parasitological, serological and molecular methods. The results showed relatively low prevalence of Trichinella spiralis in hunted wild boars (2/62 (3.2%; 95% CI: 0.8- 4.8)) and rats (23/820 (2.8%; 95% CI: 13.7-32.3)). Parasite burdens in the muscle tissues were between 0.1 and 0.03 larvae/g, and 0.1 and 7 larvae/g in wild boars and rats, respectively. Seroprevalence in farm-bred wild boars was negative. The findings of Trichinella-infected rats in 7 of the 20 districts of Dien Bien and Son La provinces suggest that the parasite is circulating in these regions. These results indicate that the local population and health centers should be made aware of the risks of eating raw or undercooked meat dishes prepared from wild animals.

References

Feb 10, 1998·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·S JongwutiwesE Pozio
Nov 16, 2005·Statistics in Medicine·Adam J BranscumIan A Gardner
May 26, 2006·Transactions of the Royal Society of Tropical Medicine and Hygiene·Somphou SayasoneMichel Strobel
Aug 11, 2007·Veterinary Parasitology·Edoardo Pozio
Aug 29, 2009·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Walter R J TaylorDuc Hien Nguyen
Dec 12, 2012·The Korean Journal of Parasitology·Nguyen Van DeJong-Yil Chai
Dec 26, 2012·Veterinary Parasitology·N Vu ThiP Dorny

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Citations

Nov 28, 2018·Foodborne Pathogens and Disease·Maria Fredriksson-Ahomaa
Mar 23, 2017·Parasites & Vectors·Dinh Ng-NguyenRebecca J Traub
Feb 13, 2020·Veterinary Parasitology·Ewa Bilska-ZającTomasz Cencek
May 11, 2021·Animal Health Research Reviews·Elisabeth RajalaUlf Magnusson

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