Water Vole (Arvicola Terrestris Scherman) Density as Risk Factor for Human Alveolar Echinococcosis

Viel, Jean‐François; Giraudoux, Patrick; Abrial, V

doi:10.1097/00001648-199807001-00120

Cited by 12 publications

(14 citation statements)

References 11 publications

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“…if a prevalence rate was higher than the average, data were pooled with the villages of the sector of lower prevalence rates, or conversely). population outbreaks lasted longer were also those where the highest number of human AE cases were recorded (Viel et al 1999). Prevalences of Em in foxes were similarly higher in this area (Giraudoux, 1991 ;Raoul et al 1999 ;Raoul, 2001 ;Raoul et al 2001 b).…”

Section: H O S T a S S E M B L A G E S A N D T R A N S M I S S I O N mentioning

confidence: 80%

“…Epidemiological and ecological studies have been carried on since the 1980s in the Jura Mountains, France (Delattre, Pascal & Damange, 1985 ;Delattre et al 1988 ;Delattre, Giraudoux & Quere, 1990 ;Giraudoux, 1991 ;Bresson-Hadni et al 1994 ;Viel et al 1999 ;Raoul, 2001), and in Southern Gansu, China (Craig et al 1992 ;Giraudoux et al 1998 ;Courant et al 1999 ;Craig et al 2000). The present paper analyses and compares results obtained in both regions and suggests that at the regional scale landscape can affect human disease distribution through interaction with small mammal communities and their population dynamics.…”

Section: Introductionmentioning

confidence: 99%

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Interactions between landscape changes and host communities can regulateEchinococcus multilocularistransmission

et al. 2003

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An area close to the Qinghai-Tibet plateau region and subject to intensive deforestation contains a large focus of human alveolar echinococcosis while sporadic human cases occur in the Doubs region of eastern France. The current review analyses and compares epidemiological and ecological results obtained in both regions. Analysis of rodent species assemblages within quantified rural landscapes in central China and eastern France shows a significant association between host species for the pathogenic helminth Echinococcus multilocularis, with prevalences of human alveolar echinococcosis and with land area under shrubland or grassland. This suggests that at the regional scale landscape can affect human disease distribution through interaction with small mammal communities and their population dynamics. Lidicker's ROMPA hypothesis helps to explain this association and provides a novel explanation of how landscape changes may result in increased risk of a rodent-borne zoonotic disease.

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Section: H O S T a S S E M B L A G E S A N D T R A N S M I S S I O N mentioning

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Interactions between landscape changes and host communities can regulateEchinococcus multilocularistransmission

et al. 2003

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“…The permanent presence of E. multilocularis in urbanized areas may lead to major changes in the epidemiology of the disease in humans (Vuitton et al 2003). Importantly, the density of A. terrestris has been found to be a risk factor for infection with E. multilocularis in humans (Viel et al 1999), and the occurrence of this rodent up to urbanized areas may contribute to the establishment of the parasite in cities and residential areas. The presence of suitable habitats for rodent intermediate hosts appears indeed to be primordial in the transmission dynamics of E. multilocularis in Europe and China (Danson et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Rodents as shared indicators for zoonotic parasites of carnivores in urban environments

et al. 2009

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S U M M A R YRodents are shared intermediate or paratenic hosts for Echinococcus multilocularis, Toxocara spp. and Toxoplasma gondii, and may serve as valuable indicators for assessing the occurrence and the level of environmental contamination and infection pressure with free-living stages of these zoonotic parasites. We investigated 658 non-commensal rodents for parasite infections in the canton of Geneva, Switzerland. The prevalence of infection with E. multilocularis was highest in Arvicola terrestris captured in the north-western area (16 . 5%, CI: 10 . 1%-24 . 8%), possibly reflecting a higher red fox density due to the low incidence of sarcoptic mange in this part of the canton. The exposure rate to Toxocara spp. was highest in the urban area (13 . 2%, CI: 7 . 9%-20 . 3%), and may account for higher densities of domestic carnivore and red fox definitive hosts within the city. Exposure to T. gondii was widespread (5 . 0%, CI: 3 . 2-7 . 4 %), indicating a ubiquitous distribution of infected cat definitive hosts. Interestingly, a widespread distribution of Taenia taeniaeformis, a parasite mainly transmitted by cats, was similarly evidenced in A. terrestris. Distinct spatial patterns for the different zoonotic parasites likely reflected differences in distribution, abundance, and habitat use of the respective definitive hosts. These results highlight the potential value of rodents as shared indicators for these pathogens.

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“…In central Europe, the common vole M. arvalis and the water vole A. terrestris are important in transmission. As shown in the Doubs department (France), human alveolar echinococcosis is strongly influenced by the densities of arvicolid species (Viel et al, 1999). In Switzerland, water and common voles also seem to be important intermediate hosts (Gottstein et al, 1996(Gottstein et al, , 2001.…”

Section: Discussionmentioning

confidence: 99%

Infection of red foxes with Echinococcus multilocularis in western Switzerland

2007

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In the Jura mountains, Plateau and Alps of western Switzerland important variations in the prevalence of Echinococcus multilocularis infection in red foxes were observed between geographical areas from 1990 to 1995. The Jura mountains and the Plateau had higher mean prevalence levels than the Alps with 30.6, 32.4 and 18.8%, respectively. The highest rate was recorded in the Plateau in the canton of Fribourg with a prevalence of 52.3%. The prevalence of E. multilocularis infection in foxes in the alpine canton of Valais was the lowest (7.1%). Juvenile foxes were found to be more susceptible to E. multilocularis than adults. Adult foxes were less heavily infected in summer and autumn, while the prevalence in juveniles (less than 1 year old) increased between the spring and winter, when they are more than 6 months old. The retrospective data relate to the beginning of the 1990s, since when a drastic prevalence increase of E. multilocularis infection in foxes has occurred in several regions of Europe. Nevertheless, the study is a major contribution to the epidemiological situation of E. multilocularis in central Europe, in that it contains valuable information on spatial distribution and seasonal differences in different age groups of foxes.

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Water Vole (Arvicola Terrestris Scherman) Density as Risk Factor for Human Alveolar Echinococcosis

Cited by 12 publications

References 11 publications

Interactions between landscape changes and host communities can regulateEchinococcus multilocularistransmission

Interactions between landscape changes and host communities can regulateEchinococcus multilocularistransmission

Rodents as shared indicators for zoonotic parasites of carnivores in urban environments

Infection of red foxes with Echinococcus multilocularis in western Switzerland

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