The role of wild rodents in the transmission of Trypanosoma evansi infection in an endemic area of the Canary Islands (Spain)

Rodríguez, N.F.; Tejedor-Junco, María Teresa; Hernandez-Trujillo, Y; González, Margarita; Gutiérrez, Carlos

doi:10.1016/j.vetpar.2010.09.001

Cited by 16 publications

(8 citation statements)

References 18 publications

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“…Although T. evansi was detected in various species of rodents under natural conditions, there is no evidence that they are involved in surra outbreaks or in the sustainability of T. evansi circulation (e.g., Rodríguez et al 2010). Our study brings new information in this regard, but other laboratory and field studies are needed to fully explore the potential role of OHRs in the epidemiology of surra.…”

mentioning

confidence: 86%

Is the Oriental House Rat (Rattus tanezumi) a Potential Reservoir for Trypanosoma evansi in Thailand?

Kocher

Desquesnes

Yangtara

et al. 2015

Journal of Wildlife Diseases

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ABSTRACT:Trypanosoma evansi is a protozoan blood parasite and etiologic agent of ''surra,'' a disease affecting a wide range of domestic and wild mammals, some identified as potential reservoirs. Although T. evansi has been detected in several small wild rodent species, their role in the epidemiology of surra is unclear.There is molecular evidence of T. evansi in wild rodents in Asia, but it is not known whether they can carry the parasite for sufficient time to significantly contribute to the epidemiology of surra. We assessed the susceptibility of the Oriental house rat (OHR; Rattus tanezumi) to T. evansi infection. Five adult male OHRs trapped in Bangkhen district, Bangkok, Thailand, and five laboratory Wistar rats (Rattus norvegicus) as positive controls, were experimentally infected with a local strain of T. evansi. The five controls and three of the five OHRs were highly susceptible and rapidly exhibited the high levels of parasitemia usually observed in Wistar rats. They died or were euthanized just prior to expected death. Two OHRs presented fluctuating levels of parasitemia, without obvious clinical signs, throughout 40 d of monitoring. These results highlight the moderate susceptibility of some OHRs and their ability to carry the infection over time. Along with the molecular evidence of T. evansi in captured OHRs (demonstrated elsewhere), our results bring new information on the potential role of OHRs in the complex epidemiology of surra.

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confidence: 86%

Is the Oriental House Rat (Rattus tanezumi) a Potential Reservoir for Trypanosoma evansi in Thailand?

Kocher

Desquesnes

Yangtara

et al. 2015

Journal of Wildlife Diseases

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“…Walaupun sejauh ini belum ada laporan yang menyebutkan bahwa tikus sebagai faktor utama terjadinya wabah Surra pada ternak, tetapi keberadaannya perlu diwaspadai (Rodríguez et al 2010). Kocher et al (2015) berpendapat bahwa tikus rumah (Rattus tanezumi) sebagai reservoir T. evansi yang berpotensi memfasilitasi penyebaran Surra pada manusia dan harus mendapatkan perhatian yang serius.…”

Section: Trypanosoma Evansiunclassified

Surra: Trypanosomiasis in Livestock is Potential as Zoonotic Disease

Wardhana¹,

Savitri²

2018

WARTAZOA

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Trypanosoma evansi is one of blood protozoans having the most wide distribution region compared to other Trypanosome species. The parasite causes trypanosomiasis known as Surra. The disease may cause mortality to the infected animals. In general T evansi only attack animal and cannot infect humans due to apolipoprotein 1 (Apo L-1) in human serum. The protein possess trypanolitic activity feature against T. evansi and effectively eliminates the protozoa. However, the knowledge of Surra infecting animals changed because there were atypical human trypanosomiasis cases reported in some countries due to T. evansi. The human Surra case occurred in Vietnam demonstrated that person with Apo L-1 could be infected by T. evansi. There was resistant strain of T. evansi found which able to disrupt human immune system. This paper will discuss Surra cases in both humans and animals, including mechanism of Apo L-1 on eliminating the parasite. Surra cases in human and animal should be seriously concerned because Surra could be pontential zoonosis threating human health.

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“…No impact on the environment and biodiversity has been identified, and wild rodents have not been identified as an active source of infection so far (Rodr ıguez et al, 2010).…”

Section: Parameter 2 -Wildlife Depopulation As Control Measurementioning

confidence: 99%

Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): Trypanosoma evansi infections (including Surra)

More¹,

Bøtner²,

Butterworth³

et al. 2017

EFS2

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Trypanosoma evansi infections (including Surra) have been assessed according to the criteria of the Animal Health Law (AHL), in particular criteria of Article 7 on disease profile and impacts, Article 5 on the eligibility of T. evansi infections (including Surra) to be listed, Article 9 for the categorisation of T. evansi infections (including Surra) according to disease prevention and control rules as in Annex IV and Article 8 on the list of animal species related to T. evansi infections (including Surra). The assessment has been performed following a methodology composed of information collection and compilation, expert judgement on each criterion at individual and, if no consensus was reached before, also at collective level. The output is composed of the categorical answer, and for the questions where no consensus was reached, the different supporting views are reported. Details on the methodology used for this assessment are explained in a separate opinion. According to the assessment performed, it is inconclusive whether T. evansi infections (including Surra) can be considered eligible to be listed for Union intervention as laid down in Article 5(3) of the AHL because there was no full consensus on the criterion 5 A(v). Consequently, the assessment on compliance of T. evansi infections (including Surra) with the criteria as in sections 4 and 5 of Annex IV of the AHL, for the application of the disease prevention and control rules referred to in points (d) and (e) of Article 9(1) is also inconclusive, as well as which animal species can be considered to be listed for T. evansi infections (including Surra) according to Article 8(3) of the AHL. Acknowledgements: The Panel wishes to thank Marc Desquesnes and Philippe B € uscher for the support provided to this scientific output.

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The role of wild rodents in the transmission of Trypanosoma evansi infection in an endemic area of the Canary Islands (Spain)

Cited by 16 publications

References 18 publications

Is the Oriental House Rat (Rattus tanezumi) a Potential Reservoir for Trypanosoma evansi in Thailand?

Is the Oriental House Rat (Rattus tanezumi) a Potential Reservoir for Trypanosoma evansi in Thailand?

Surra: Trypanosomiasis in Livestock is Potential as Zoonotic Disease

Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) No 2016/429): Trypanosoma evansi infections (including Surra)

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