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Volume 25, Number 2—February 2019
Dispatch

Tick-Borne Encephalitis Virus Antibodies in Roe Deer, the Netherlands

Jolianne M. RijksComments to Author , Margriet G.E. Montizaan, Nine Bakker, Ankje de Vries, Steven Van Gucht, Corien Swaan, Jan van den Broek, Andrea Gröne, and Hein Sprong
Author affiliations: Dutch Wildlife Health Centre, Utrecht, the Netherlands (J.M. Rijks, M.G.E. Montizaan, N. Bakker, A. Gröne); National Institute for Public Health and the Environment, Bilthoven, the Netherlands (A. de Vries, C. Swaan., H. Sprong); Sciensano, Brussels, Belgium (S. Van Gucht); Utrecht University, Utrecht (J. van den Broek, A. Gröne)

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Figure 1

Geographic distribution of tick-borne encephalitis virus (TBEV) based on surveillance of roe deer, the Netherlands, during A) 2010 and B) 2017. Data for 2010 were reproduced from Jahfari et al. (1). Red indicates roe deer serum samples that showed positive results in the TBEV neutralization test, and blue indicates roe deer serum samples that showed negative results in this test or an ELISA. Numbers indicate potential foci, and red stars indicate location of 2016 TBEV-RNA positive ticks in Salla

Figure 1. Geographic distribution of tick-borne encephalitis virus (TBEV) based on serosurveillance of roe deer, the Netherlands, during A) 2010 and B) 2017. Data for 2010 were reproduced from Jahfari et al. (1). Red indicates roe deer serum samples that showed positive results in the TBEV neutralization test, and blue indicates roe deer serum samples that showed negative results in this test or an ELISA. Numbers indicate confirmed or potential foci, and red stars indicate location of 2016 TBEV-RNA positive ticks in Sallandse Heuvelrug National Park. Circles indicate sites of random sampling, and diamonds indicate sites of purposive sampling. Arrow in the right map indicates location of Utrechtse Heuvelrug National Park. Maps were constructed by using Arc-GIS software (ESRI, https://www.esri.com).

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Page updated: January 18, 2019
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