Risk of exposure to ticks (Ixodidae) and the prevalence of tick-borne encephalitis virus (TBEV) in ticks in Southern Poland

The article presents the results of the first study on seasonal activity of ticks and prevalence of tick-borne encephalitis virus (TBEV) in nymphs from the Silesian Province (Southern Poland). Previous studies on the prevalence of TBEV in ticks in Poland have been conducted mostly in northern and ea...

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Bibliographic Details
Published in:Ticks and tick-borne diseases 2015-04, Vol.6 (3), p.356-363
Main Authors: Cuber, Piotr, Andreassen, Åshild, Vainio, Kirsti, Asman, Marek, Dudman, Susanne, Szilman, Piotr, Szilman, Ewa, Ottesen, Preben, Ånestad, Gabriel, Cieśla-Nobis, Sabina, Solarz, Krzysztof
Format: Article
Language:English
Subjects:
Animals
Arachnid Vectors - virology
Climate
Encephalitis Viruses, Tick-Borne - genetics
Encephalitis Viruses, Tick-Borne - physiology
Encephalitis, Tick-Borne - epidemiology
Encephalitis, Tick-Borne - virology
Female
Humans
Ixodes - virology
Ixodidae - virology
Male
Nymph
Poland - epidemiology
Prevalence
Risk
Seasons
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Summary:The article presents the results of the first study on seasonal activity of ticks and prevalence of tick-borne encephalitis virus (TBEV) in nymphs from the Silesian Province (Southern Poland). Previous studies on the prevalence of TBEV in ticks in Poland have been conducted mostly in northern and eastern regions, but none in the Silesian Province itself. The aims of this study were to analyse the seasonal variation in tick populations and compare TBEV prevalence in nymphs from different geographical locations in the Silesia. A total of 5160 questing Ixodes ricinus ticks were collected by the flagging method from 23 localities in southern Poland in 2010. Micro-climatic parameters (air temperature and humidity) were measured in order to estimate their influence on tick population. The highest tick activity was recorded in spring and was positively correlated with relative air humidity (RH). TBEV in the Silesian Province was analysed in 1750 nymphs and an overall prevalence was 0.11% (2 pools out of 175 analysed). The results of this study show that TBEV pool prevalence in nymphs is low in accordance with the low number of TBE cases reported within the region.
ISSN:1877-959X
1877-9603
DOI:10.1016/j.ttbdis.2015.02.010