Exploratory spatial data analysis of regional seroprevalence of antibodies against epizootic hemorrhagic disease virus in cattle from Illinois and Indiana

Boyer, Tim C.; Ward, Michael P.; Wallace, Rick L.; Zhou, En‐Long; Singer, Randall S.

doi:10.2460/ajvr.69.10.1286

Cited by 12 publications

(11 citation statements)

References 16 publications

(14 reference statements)

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“…Additional test results from cattle in Illinois (2000-02) support these results with a low reported prevalence (1-2%) of BTV antibodies (Boyer et al 2007). Consistent with our virus isolation results, Boyer et al (2008) reported that prevalence of EHDV antibodies in these same 2000-02 cattle sera ranged from 5% to 15%. The apparent variation in the prevalence of EHDV and BTV may relate to differences in the distribution of Culicoides vectors associated with these viruses.…”

Section: Discussionsupporting

confidence: 87%

Apparent Increase of Reported Hemorrhagic Disease in the Midwestern and Northeastern Usa

Stallknecht

Allison

Park

et al. 2015

Journal of Wildlife Diseases

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ABSTRACT:We investigated temporal and spatial trends in reporting of hemorrhagic disease (HD) in the midwestern and northeastern US using a 33-yr (1980-2012) questionnaire-based data set. This data set was supported by an additional 19 yr (1994)(1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012) of bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV) isolation results from clinically affected white-tailed deer (Odocoileus virginianus) in these regions. Both the number of counties that were reported positive for HD and the northern latitudinal range of reported HD increased with time. A similar increase was observed with both the number of states annually reporting HD and the number of counties where HD was reported. Large-scale outbreaks occurred in 1988, 1996, 2007, and 2012, and the scale of these individual outbreaks also increased with time. The predominant virus isolated from these regions was EHDV-2, but the prevalence of EHDV-6, which was first detected in 2006, appears to be increasing. Temporally, the extent of regional HD reporting was correlated with regional drought conditions. The significance of increases in reported HD and the incursions and establishment of new BTV and EHDV in the US currently are unknown.

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Section: Discussionsupporting

confidence: 87%

Apparent Increase of Reported Hemorrhagic Disease in the Midwestern and Northeastern Usa

Stallknecht

Allison

Park

et al. 2015

Journal of Wildlife Diseases

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“…In Montana, a low prevalence of BTV antibodies ( < 2.0%) has been reported in cattle (Van Donkersgoed et al 2001, 2006. Similar results have been reported in cattle in northern Indiana and Illinois (Boyer et al 2008) and in North Dakota and South Dakota (Green et al 2005); in these states, antibody prevalence decreased with increasing latitude. Occasional outbreaks have occurred historically along the northern edge of the BTV distribution in the United States as early as 1966 near Billings, MT ( Jones and Leudke 1969).…”

Section: Introductionsupporting

confidence: 79%

Transmission and Epidemiology of Bluetongue and Epizootic Hemorrhagic Disease in North America: Current Perspectives, Research Gaps, and Future Directions

Ruder

Lysyk

Stallknecht

et al. 2015

Vector-Borne and Zoonotic Diseases

108

156

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Bluetongue virus (BTV) and epizootic hemorrhagic disease virus (EHDV) are arthropod-transmitted viruses in the genus Orbivirus of the family Reoviridae. These viruses infect a variety of domestic and wild ruminant hosts, although the susceptibility to clinical disease associated with BTV or EHDV infection varies greatly among host species, as well as between individuals of the same species. Since their initial detection in North America during the 1950s, these viruses have circulated in endemic and epidemic patterns, with occasional incursions to more northern latitudes. In recent years, changes in the pattern of BTV and EHDV infection and disease have forced the scientific community to revisit some fundamental areas related to the epidemiology of these diseases, specifically in relation to virus-vector-host interactions and environmental factors that have potentially enabled the observed changes. The aim of this review is to identify research and surveillance gaps that obscure our understanding of BT and EHD in North America.

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“…The risk maps produced by these models do provide insight into the distributions of BTV and EHDV that is not apparent when regression results are presented in a table or when prevalence is aggregated by state or zone. 22,23 The pattern of EHDV seropositivity is suggestive of potential sites where Culicoides sampling could be targeted. Furthermore, the locations of outliers provide clues about where climatic and landscape variables fail to adequately explain the variation in BTV and EHDV seroprevalence.…”

Section: Discussionmentioning

confidence: 99%

“…22,23 Briefly, blood samples were obtained from the cattle after three transmission seasons (2000,2001,2002). Sixty herds participated in the study during at least one of the years, 52 in Illinois and 8 in western Indiana.…”

Section: Methodsmentioning

confidence: 99%

“…However, the lower Midwest, including Illinois and western Indiana, is situated in a zone where there is a transition between areas of high transmission in the south and little or no transmission in the north. 22,23 In this transition zone area transmission is spatially and temporally variable, making precise descriptions of BTV and EHDV distribution difficult.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Climate, Landscape, and the Risk of Orbivirus Exposure in Cattle in Illinois and Western Indiana

Boyer¹,

Ward²,

Singer³

2010

The American Society of Tropical Medicine and Hygiene

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Abstract. Climate and environmental data were used to estimate the risk of testing positive for antibodies to bluetongue (BTV) and epizootic hemorrhagic disease viruses (EHDV) in cattle in Illinois and western Indiana over three transmission seasons (2000)(2001)(2002). The risks of BTV and EHDV seropositivity were positively associated with temperature during every year of the study. The EHDV seropositivity was also positively associated with forest patchiness in two of the years. During 2002, a year with unusually high spring rainfall, forest patchiness was not significantly associated with EHDV but spring rainfall did have a moderating effect on temperature. Maps of predicted probability of exposure to BTV or EHDV were created using these best-fitting models and show distinctly different spatial patterns within the same cattle population.

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Exploratory spatial data analysis of regional seroprevalence of antibodies against epizootic hemorrhagic disease virus in cattle from Illinois and Indiana

Abstract: Seroprevalence of antibodies against EHDV in cattle was higher in the south than north; however, local complexities existed that were not observed in a serosurvey of antibodies against bluetongue virus from the same cattle population.

Cited by 12 publications

References 16 publications

Apparent Increase of Reported Hemorrhagic Disease in the Midwestern and Northeastern Usa

Apparent Increase of Reported Hemorrhagic Disease in the Midwestern and Northeastern Usa

Transmission and Epidemiology of Bluetongue and Epizootic Hemorrhagic Disease in North America: Current Perspectives, Research Gaps, and Future Directions

Climate, Landscape, and the Risk of Orbivirus Exposure in Cattle in Illinois and Western Indiana

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