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Abstract

Background

Tick-borne encephalitis (TBE) is a vaccine-preventable disease involving the central nervous system. TBE became a notifiable disease on the EU/EEA level in 2012.

Aim

We aimed to provide an updated epidemiological assessment of TBE in the EU/EEA, focusing on spatiotemporal changes.

Methods

We performed a descriptive analysis of case characteristics, time and location using data of human TBE cases reported by EU/EEA countries to the European Centre for Disease Prevention and Control with disease onset in 2012–2020. We analysed data at EU/EEA, national, and subnational levels and calculated notification rates using Eurostat population data. Regression models were used for temporal analysis.

Results

From 2012 to 2020, 19 countries reported 29,974 TBE cases, of which 24,629 (98.6%) were autochthonous. Czechia, Germany and Lithuania reported 52.9% of all cases. The highest notification rates were recorded in Lithuania, Latvia, and Estonia (16.2, 9.5 and 7.5 cases/100,000 population, respectively). Fifty regions from 10 countries, had a notification rate ≥ 5/100,000. There was an increasing trend in number of cases during the study period with an estimated 0.053 additional TBE cases every week. In 2020, 11.5% more TBE cases were reported than predicted based on data from 2016 to 2019. A geographical spread of cases was observed, particularly in regions situated north-west of known endemic regions.

Conclusion

A close monitoring of ongoing changes to the TBE epidemiological situation in Europe can support the timely adaption of vaccination recommendations. Further analyses to identify populations and geographical areas where vaccination programmes can be of benefit are needed.

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This work is licensed under a Creative Commons Attribution 4.0 International License.
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2023-03-16
2024-12-26
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Spatiotemporal spread of tick-borne encephalitis in the EU/EEA, 2012 to 2020
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Jasper+Van+Heuverswyn&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Van Heuverswyn Jasper</a>, <a href="/search?value1=Luisa+K.+Hallmaier-Wacker&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Hallmaier-Wacker Luisa K.</a>, <a href="/search?value1=Julien+Beaut%C3%A9&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Beauté Julien</a>, <a href="/search?value1=Joana++Gomes+Dias&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Gomes Dias Joana </a>, <a href="/search?value1=Joana+M+Haussig&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Haussig Joana M</a>, <a href="/search?value1=Kristina+Busch&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Busch Kristina</a>, <a href="/search?value1=Jana+Kerlik&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kerlik Jana</a>, <a href="/search?value1=Mateusz+Markowicz&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Markowicz Mateusz</a>, <a href="/search?value1=Henna+M%C3%A4kel%C3%A4&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Mäkelä Henna</a>, <a href="/search?value1=Teresa+Marie+Nygren&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nygren Teresa Marie</a>, <a href="/search?value1=Hana+Orl%C3%ADkov%C3%A1&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Orlíková Hana</a>, <a href="/search?value1=Maja+Socan&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Socan Maja</a>, <a href="/search?value1=Jakub+Zbrze%C5%BAniak&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zbrzeźniak Jakub</a>, <a href="/search?value1=Milda+%C5%BDygutiene&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Žygutiene Milda</a>, <a href="/search?value1=C%C3%A9line+M+Gossner&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Gossner Céline M</a></span>. Spatiotemporal spread of tick-borne encephalitis in the EU/EEA, 2012 to 2020. <a href="/content/ecdc">Euro Surveill.</a> 2023;28(11):pii=2200543. <a href="https://doi.org/10.2807/1560-7917.ES.2023.28.11.2200543" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2023.28.11.2200543</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 06 Jul 2022;&nbsp;&nbsp; <span class="generated">Accepted</span>: 28 Oct 2022 </span> </p>
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