Results of a Five-Year Survey for Certain Enzootic Diseases in the Fauna of Western Utah *

Vest, E. Dean; Lundgren, D.L.; Parker, Dale D.; Johnson, D. Elmer; Morse, Edward Lind; Bushman, John B.; Sidwell, Robert W.; Thorpe, Bert D.

doi:10.4269/ajtmh.1965.14.124

Cited by 16 publications

(11 citation statements)

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“…Burroughs et al (1945) indicated that mice in their survey were latently infected and that septicemic tularemia was not present. Vest et al (1965) and Lane and Emmons (1977) did not isolate F. tularensis from any of 4404 and 64 deer mice collected in Utah and California, respectively.…”

Section: Discussionmentioning

confidence: 96%

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Tularemia in Deer Mice (Peromyscus Maniculatus) During a Population Irruption in Saskatchewan, Canada

Wobeser

Ngeleka

Appleyard

et al. 2007

Journal of Wildlife Diseases

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ABSTRACT:Type B tularemia caused by Francisella tularensis subsp. holarctica was diagnosed in deer mice (Peromyscus maniculatus) found dead at four sites in west-central Saskatchewan during April and May 2005. The occurrence of tularemia coincided with a decline in the number of deer mice in part of a large area (.22000 km 2 ) in which deer mice had been extremely abundant during the autumn of 2004 and spring of 2005, and in which mice caused damage to crops in the autumn of 2004. This is apparently the first report of tularemia as a cause of death of wild deer mice. The bacterium isolated from deer mice was atypical in that cysteine was not required in the media used for isolation. Three isolates tested were genotypes not previously identified in Canada. There were no reports of human disease in the area.

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Section: Discussionmentioning

confidence: 96%

“…tularensis (Stagg et al, 1956;Vest and Marchette, 1958). Francisella tularensis has been isolated from deer mice during surveys for plague, including from one mouse in Alberta (Ozburn, 1944), two of 58 pooled samples from 301 mice in California (Burroughs et al, 1945), and from ectoparasites from mice in Utah (Stagg et al, 1956).…”

Section: Discussionmentioning

confidence: 99%

Tularemia in Deer Mice (Peromyscus Maniculatus) During a Population Irruption in Saskatchewan, Canada

Wobeser

Ngeleka

Appleyard

et al. 2007

Journal of Wildlife Diseases

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“…Serologic testing of several species, including coyotes was conducted during periods of open-air testing. However, only one species, an Ord's kangaroo rat (D. ordii), had antibodies against Y. pestis, while 13 jackrabbits (L. californicus) and one coyote had antibodies against F. tularensis (Vest et al, 1965). Sampling occurred in a wide area surrounding and on DPG, so it is not clear if these animals were on DPG, or in areas surrounding the military base.…”

Section: )mentioning

confidence: 99%

Serologic Survey for Diseases in Free-Ranging Coyotes (Canis latrans) from Two Ecologically Distinct Areas of Utah

Arjo¹,

Gese

Bromley

et al. 2003

Journal of Wildlife Diseases

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The influence of habitat and associated prey assemblages on the prevalence of canine diseases in coyotes (Canis latrans) has received scant attention. From December 1997 through December 1999, we captured 67 coyotes in two ecologically distinct areas of Utah (USA): Deseret Land and Livestock Ranch and US Army Dugway Proving Ground. These areas differ in habitat and prey base. We collected blood samples and tested for evidence of various canine diseases. Prevalence of antibodies against canine parvovirus (CPV) was 100% in the Deseret population and 93% in the Dugway population. All juveniles in both populations had been exposed. We found no difference in the prevalence of antibodies against canine distemper virus (CDV) between the two populations (7% versus 12%; Pϭ0.50). However, we did find an increase in antibodies with age in the Deseret population (Pϭ0.03). Evidence of exposure to canine adenovirus (CAV) was found in both populations (52% and 72%; Pϭ0.08). Prevalence of CAV antibodies was influenced by age on both areas (Deseret: Pϭ0.003; Dugway: Pϭ0.004). Antibodies to Francisella tularensis were low on both areas (2% and 4%). We found a significant difference (Pϭ0.001) in the prevalence of exposure to Yersinia pestis between the two populations: 73% in Deseret compared to 11% in Dugway. This difference is most likely due to the prey species available in the two ecologically distinct study areas.

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“…Relatively high prevalences of F. tularensis infections in wild rodents have been detected at human tularemia outbreak sites in Germany (Kaysser et al 2008), China (Zhang et al 2006), Slovakia, andAustria (Gurycova et al 2001). During interepizootic periods, however, the pathogen is found in rodents only rarely (Vest et al 1965, Arata et al 1973, Broman et al 2011, Gyuranecz et al 2011. Despite relatively high periodical incidence in humans, no systematic investigations on possible reservoirs of F. tularensis have been carried out in Finland so far, and only few previous studies have been done in Fennoscandia (Mörner et al 1988, Broman et al 2011.…”

Section: Introductionmentioning

confidence: 99%

Detection ofFrancisella tularensisin Voles in Finland

Rossow

Sissonen

Koskela

et al. 2014

Vector-Borne and Zoonotic Diseases

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Francisella tularensis is a highly virulent intracellular bacterium causing the zoonotic disease tularemia. It recurrently causes human and animal outbreaks in northern Europe, including Finland. Although F. tularensis infects several mammal species, only rodents and lagomorphs seem to have importance in its ecology. Peak densities of rodent populations may trigger tularemia outbreaks in humans; however, it is still unclear to which extent rodents or other small mammals maintain F. tularensis in nature. The main objective of this study was to obtain information about the occurrence of F. tularensis in small mammals in Finland. We snap-trapped 547 wild small mammals representing 11 species at 14 locations around Finland during 6 years and screened them for the presence of F. tularensis DNA using PCR analysis. High copy number of F. tularensis-specific DNA was detected in tissue samples of five field voles (Microtus agrestis) originating from one location and 2 years. According to DNA sequences of the bacterial 23S ribosomal RNA gene amplified from F. tularensis-infected voles, the infecting agent belongs to the subspecies holarctica. To find out the optimal tissue for tularemia screening in voles, we compared the amounts of F. tularensis DNA in lungs, liver, spleen, and kidney of the infected animals. F. tularensis DNA was detectable in high levels in all four organs except for one animal, whose kidney was F. tularensis DNA-negative. Thus, at least liver, lung, and spleen seem suitable for F. tularensis screening in voles. Thus, liver, lung, and spleen all seem suitable for F. tularensis screening in voles. In conclusion, field voles can be heavily infected with F. tularensis subsp. holarctica and thus potentially serve as the source of infection in humans and other mammals.

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Results of a Five-Year Survey for Certain Enzootic Diseases in the Fauna of Western Utah *

Cited by 16 publications

References 0 publications

Tularemia in Deer Mice (Peromyscus Maniculatus) During a Population Irruption in Saskatchewan, Canada

Tularemia in Deer Mice (Peromyscus Maniculatus) During a Population Irruption in Saskatchewan, Canada

Serologic Survey for Diseases in Free-Ranging Coyotes (Canis latrans) from Two Ecologically Distinct Areas of Utah

Detection ofFrancisella tularensisin Voles in Finland

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