• Title/Summary/Keyword: Trichinella sp.

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An Outbreak of Trichinosis with Molecular Identification of Trichinella sp. in Vietnam

  • Nguyen, Van De;Nguyen, Vu Trung;Nguyen, Hong Ha;Vu, Thi Nga;Nguyen, Minh Ha;Pham, Thanh Thuy;Le, Van Duyet;Chai, Jong-Yil
    • Parasites, Hosts and Diseases
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    • v.50 no.4
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    • pp.339-343
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    • 2012
  • The 5th outbreak of trichinosis occurred in a mountainous area of North Vietnam in 2012, involving 24 patients among 27 people who consumed raw pork together. Six of these patients visited several hospitals in Hanoi for treatment. Similar clinical symptoms appeared in these patients within 5-8 days after eating infected raw pork, which consisted of fever, muscle pain, difficult moving, edema, difficult swallowing, and difficult breathing. ELISA revealed all (6/6) positive reactions against Trichinella spiralis antigen and all cases showed positive biopsy results for Trichinella sp. larvae in the muscle. The larvae detected in the patients were identified as T. spiralis (Vietnamese strain) by the molecular analysis of the mitochondrial cytochrome c oxidase subunit III (cox3) gene.

Seroprevalence of Trichinella sp. in Wild Boars (Sus scrofa) from Yanggu-gun, Gangwon-do, Korea

  • Lee, Hye-Jung;Chung, Ok-Sik;Kim, Jae-Lip;Lee, Seung-Ha;Yoo, Young-Bok;Seo, Min
    • Parasites, Hosts and Diseases
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    • v.53 no.2
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    • pp.233-236
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    • 2015
  • A total 7 outbreaks of trichinellosis have occurred in Korea, mostly as a result of consumption of raw wild boar (Sus scrofa) meat. Since only 1 serological survey on wild boars had yet been performed in Korea, the present study aimed to estimate the prevalence of trichinellosis in wild boars and some species of rodents by artificial digestion and serological examinations in Yanggu-gun, Gangwon-do, the endemic area of trichinellosis. Both the wild boar and rodent muscle samples revealed no Trichinella larvae by direct examination and artificial digestion method. However, serological examinations revealed that 4 wild boar sera samples out of 118 (3.4%) were positive to Trichinella antigen. Although the recovery of Trichinella larvae ended in a failure, it is proved for the first time that the sylvatic cycle of Trichinella has been maintained in wild boars of Gangwon-do, Korea.

Trichinosis Caused by Ingestion of Raw Soft-Shelled Turtle Meat in Korea

  • Lee, Sang-Rok;Yoo, Sang-Hoon;Kim, Hyun-Seon;Lee, Seung-Ha;Seo, Min
    • Parasites, Hosts and Diseases
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    • v.51 no.2
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    • pp.219-221
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    • 2013
  • Reptiles, unlike mammals, have been considered to be unsuitable hosts of Trichinella spp., though larvae have been detected in their muscles and human outbreaks related to their consumption have, in fact, occurred. Herein we report 2 Korean cases of trichinosis, possibly transmitted via consumption of reptile meat. Both patients suffered from myalgia, headache, and facial edema. Laboratory examinations revealed leukocytosis with eosinophilia (54% and 39%, respectively) and elevated creatinine phosphokinase. ELISA was performed under the suspicion of trichinosis, showing positivity at the 29th and 60th day post-infection. Since they had consumed raw soft-shelled turtle meat, turtle was strongly suggested to be an infection source of trichinosis in Korea next to the wild boar and badger.

Endoparasites of Rats Caught at Jeollabuk-do in Korea (전라북도 지역 집쥐의 체내 기생충 감염 조사)

  • Park, Hyun;Kim, Suk-Il
    • Journal of agricultural medicine and community health
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    • v.27 no.2
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    • pp.67-73
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    • 2002
  • 집쥐가 인체 기생충 전파에 어느 정도의 역할을 하는지 그 양상을 밝히고자 전라북도 남원, 익산지역에서 포획한 집쥐의 체내 기생충 감염상을 조사하였다. 섬진강 상류 남원지역에서 32마리, 만경강 중류 익산지역에서 53마리를 채집하여 총 85마리였고, 종별로는 곰쥐(Rattus rattus) 28마리, 시궁쥐(Rattus norvegicus) 57마리였다. 결과를 요약하면 다음과 같다. 1. 남원, 익산지역의 집쥐 85마리 중 71마리(83.5%)에서 체내 기생충이 검출되었다. 2. 폐장이 회수되었던 집쥐 74마리 중 35마리(47.3%)에서 폐장에 기생하는 조직 기생충인 폐포자충(Pneumocystis carinii)이 검출되었다. 3. 전체 85마리의 가로막에서 선모충(Trichinella spiralis)을 조사하였고, 폐심장 혈관계에서 광동주혈선충(Angiostrongylus cantonensis)을 조사하였으나 한 예도 검출하지 못하였다. 4. 간을 조사한 바 85마리 중 간모세선충(Capillaria hepatica) 22례(25.9%), Taenia taeniaeformis의 유충(Cysticercus fasciolaris) 9례(10.6%), 간흡충(Clonorchis sinensis) 1례(1.2%)가 검출되었다. 5. 장내용물을 조사 한 바 85 마리 중 50례(58.9%)에서 윤충 및 원충이 검출되었다. 윤충은 쥐조충(Hymenolepis diminuta), 극구흡충류(Echinostoma sp.), 쥐요충류(Syphacia sp.), 분신충류(Strongyloides sp.) 등이었고 원충은 대장아메바(Entamoeba coli) 등이었다. 이상의 결과에서 인수공통 질환을 일으킬 수 있는 폐포자충, 쥐조충, 간흡충 등이 집쥐에 감염되어 있어 철저한 집쥐 관리가 요망된다.

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