| Trichinella infection in a hunting population of Papua New Guinea suggests an ancient relationship between Trichinella and human beings. | |
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MedLine Citation:
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PMID: 15922379 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A new Trichinella species, Trichinella papuae, was discovered in 11.5% of wild pigs in a remote region of Papua New Guinea. A survey was conducted to determine whether the inhabitants of this region are infected with Trichinella, as wild-pig meat represents their main source of protein. The prevalence of anti-Trichinella antibodies and its determinants were assessed among the inhabitants in 51 of the villages in the Morehead District of Papua New Guinea. We tested and interviewed 1536 people (28.8% of the adult population). Anti-Trichinella IgG were detected in 10.0% (95% Cl 8.5-11.6%) of them. The prevalence of seropositivity was higher in males (12.7%) than in females (7.5%) (P<0.01), and the seroprevalence significantly increased with age. In one area, seroprevalence was highest in villages nearest the hunting area in which wild pigs are infected with Trichinella papuae (P<0.01). Seropositivity was also correlated with the consumption of raw or undercooked meat. Persons reporting pain in the muscle joints and limbs were more likely to be seropositive; no severe clinical manifestations were observed. That infection was never severe suggests that the seropositive people are reinfected relatively often, but with very few larvae. If the epidemiological pattern of Trichinella infection observed among the hunting population of this area is any indication of the pattern of infection in prehistoric hunters, we can speculate that Trichinella infection due to the consumption of meat from wild animals was possibly a common disease among prehistoric populations. |
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Authors:
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Ifor L Owen; Maria Angeles Gomez Morales; Patrizio Pezzotti; Edoardo Pozio |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Transactions of the Royal Society of Tropical Medicine and Hygiene Volume: 99 ISSN: 0035-9203 ISO Abbreviation: Trans. R. Soc. Trop. Med. Hyg. Publication Date: 2005 Aug |
Date Detail:
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Created Date: 2005-06-20 Completed Date: 2005-08-18 Revised Date: 2009-11-19 |
Medline Journal Info:
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Nlm Unique ID: 7506129 Medline TA: Trans R Soc Trop Med Hyg Country: England |
Other Details:
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Languages: eng Pagination: 618-24 Citation Subset: IM |
Affiliation:
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National Veterinary Laboratory, National Agriculture Quarantine and Inspection Authority, Port Moresby, Papua New Guinea. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Age Distribution Animals Animals, Wild / parasitology Antibodies, Helminth / blood Female Food Parasitology Humans Immunoglobulin G / blood Male Meat / parasitology Middle Aged Papua New Guinea / epidemiology Seroepidemiologic Studies Sex Distribution Swine / parasitology Swine Diseases / parasitology Trichinella / immunology Trichinellosis / diagnosis, epidemiology*, veterinary |
| Chemical | |
Reg. No./Substance:
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0/Antibodies, Helminth; 0/Immunoglobulin G |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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