Potentially zoonotic helminthiases of Murid Rodents from the Indo-Chinese Peninsula: Impact of habitat and the risk of human infection

Chaisiri Kittipong, Siribat Praphaiphat, Ribas Alexis, Morand Serge. 2015. Potentially zoonotic helminthiases of Murid Rodents from the Indo-Chinese Peninsula: Impact of habitat and the risk of human infection. Vector Borne and Zoonotic Diseases, 15 (1) : 73-85.

https://doi.org/10.1089/vbz.2014.1619

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Quartile : Q2, Sujet : PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH (Science) / Quartile : Q3, Sujet : INFECTIOUS DISEASES

Résumé : In this study, we report the potential rodent-borne zoonotic helminths in wild-caught murid rodents from four categorized habitats-forest, nonflooded land, irrigated land, and human settlement in seven localities of Thailand, Cambodia, and Lao PDR. Out of 2478 rodent samples, 735 (29.7%) were infected by at least one of the following zoonotic helminth species: Echinostoma malayanum, Echinostoma ilocanum, Plagiorchis muris, Raillietina spp., Hymenolepis diminuta, Hymenolepis nana, Cyclodontostomum purivisi, and Moniliformis moniliformis. Raillietina spp. showed the highest prevalence (13.8%), followed by H. diminuta (8.6%), H. nana (6.7%), and C. purvisi (1.0%). Habitat affected the intensity of helminth infection in murid rodent hosts. Specific habitats favoring each zoonotic helminth species are discussed in relation to the risk of human infection. Season and host maturity influenced intensity of total zoonotic helminths, but there was no influence of host gender. However, in terms of individual helminth species, female rodents were more infected by E. malayanum, E. ilocanum, and C. purvisi than males. Among the rodent species, Rattus tanezumi seems to play the most important role as a reservoir by hosting seven zoonotic heminth species. This rat is ubiquitously found in all types of the habitats, suggesting that it can act as an important bridge species, carrying parasites across different habitats.

Mots-clés Agrovoc : rongeur, Helminthe, helminthiase, zoonose, habitat, Echinostoma, Hymenolepis diminuta, Plagiorchis, Raillietina, couverture végétale, Hymenolepis nana, facteur du milieu, variation saisonnière, interactions biologiques, Enquête pathologique, évaluation du risque, santé publique, Rattus, Mus, Bandicota