Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis

To evaluate recent developments regarding the epidemiological situation of pseudorabies virus (PRV) infections in wild boar populations in Germany, nationwide serological monitoring was conducted between 2010 and 2015. During this period, a total of 108,748 sera from wild boars were tested for the p...

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Main Authors: Nicolai Denzin, Franz J. Conraths, Thomas C. Mettenleiter, Conrad M. Freuling, Thomas Müller
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/9/4/276
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author Nicolai Denzin
Franz J. Conraths
Thomas C. Mettenleiter
Conrad M. Freuling
Thomas Müller
author_facet Nicolai Denzin
Franz J. Conraths
Thomas C. Mettenleiter
Conrad M. Freuling
Thomas Müller
author_sort Nicolai Denzin
collection DOAJ
description To evaluate recent developments regarding the epidemiological situation of pseudorabies virus (PRV) infections in wild boar populations in Germany, nationwide serological monitoring was conducted between 2010 and 2015. During this period, a total of 108,748 sera from wild boars were tested for the presence of PRV-specific antibodies using commercial enzyme-linked immunosorbent assays. The overall PRV seroprevalence was estimated at 12.09% for Germany. A significant increase in seroprevalence was observed in recent years indicating both a further spatial spread and strong disease dynamics. For spatiotemporal analysis, data from 1985 to 2009 from previous studies were incorporated. The analysis revealed that PRV infections in wild boar were endemic in all German federal states; the affected area covers at least 48.5% of the German territory. There were marked differences in seroprevalence at district levels as well as in the relative risk (RR) of infection of wild boar throughout Germany. We identified several smaller clusters and one large region, where the RR was two to four times higher as compared to the remaining areas under investigation. Based on the present monitoring intensity and outcome, we provide recommendations with respect to future monitoring efforts concerning PRV infections in wild boar in Germany.
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spelling doaj.art-be638685e6014bd69e4020e3d7e262432023-11-19T21:13:07ZengMDPI AGPathogens2076-08172020-04-019427610.3390/pathogens9040276Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal AnalysisNicolai Denzin0Franz J. Conraths1Thomas C. Mettenleiter2Conrad M. Freuling3Thomas Müller4Friedrich-Loeffler-Institut, Institute of Epidemiology, 17493 Greifswald-Insel Riems, GermanyFriedrich-Loeffler-Institut, Institute of Epidemiology, 17493 Greifswald-Insel Riems, GermanyFriedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, GermanyFriedrich-Loeffler-Institut, Institute of Molecular Virology and Cell Biology, 17493 Greifswald-Insel Riems, GermanyFriedrich-Loeffler-Institut, Institute of Molecular Virology and Cell Biology, 17493 Greifswald-Insel Riems, GermanyTo evaluate recent developments regarding the epidemiological situation of pseudorabies virus (PRV) infections in wild boar populations in Germany, nationwide serological monitoring was conducted between 2010 and 2015. During this period, a total of 108,748 sera from wild boars were tested for the presence of PRV-specific antibodies using commercial enzyme-linked immunosorbent assays. The overall PRV seroprevalence was estimated at 12.09% for Germany. A significant increase in seroprevalence was observed in recent years indicating both a further spatial spread and strong disease dynamics. For spatiotemporal analysis, data from 1985 to 2009 from previous studies were incorporated. The analysis revealed that PRV infections in wild boar were endemic in all German federal states; the affected area covers at least 48.5% of the German territory. There were marked differences in seroprevalence at district levels as well as in the relative risk (RR) of infection of wild boar throughout Germany. We identified several smaller clusters and one large region, where the RR was two to four times higher as compared to the remaining areas under investigation. Based on the present monitoring intensity and outcome, we provide recommendations with respect to future monitoring efforts concerning PRV infections in wild boar in Germany.https://www.mdpi.com/2076-0817/9/4/276GermanymonitoringpseudorabiesAujeszky’s diseasespatiotemporal analysisrelative risk
spellingShingle Nicolai Denzin
Franz J. Conraths
Thomas C. Mettenleiter
Conrad M. Freuling
Thomas Müller
Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis
Pathogens
Germany
monitoring
pseudorabies
Aujeszky’s disease
spatiotemporal analysis
relative risk
title Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis
title_full Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis
title_fullStr Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis
title_full_unstemmed Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis
title_short Monitoring of Pseudorabies in Wild Boar of Germany—A Spatiotemporal Analysis
title_sort monitoring of pseudorabies in wild boar of germany a spatiotemporal analysis
topic Germany
monitoring
pseudorabies
Aujeszky’s disease
spatiotemporal analysis
relative risk
url https://www.mdpi.com/2076-0817/9/4/276
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