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TBE Outbreak Linked to Goat Cheese in Alpine Austria: Vaccination and Infection Analysis

This document presents an analysis of TBE (Tick-Borne Encephalitis) vaccination coverage in Austria and the Czech Republic from 1979 to 2008, highlighting the percentage of vaccinated individuals and associated TBE cases. Notably, a 2008 outbreak in an alpine region of Austria was traced to a single batch of cheese made from raw milk of an infected goat. Seven individuals from one family consumed the cheese, resulting in six infections and four hospitalizations. The document also discusses the implications of the outbreak, including infection risks to pigs.

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TBE Outbreak Linked to Goat Cheese in Alpine Austria: Vaccination and Infection Analysis

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  1. Czech Republic (Nat. Ref. Center of Epidemiol., Prague) Austria Vaccination coverage in Austria (at least 1 vaccination) TBE in Austria and Czech Republic 1979-2008 Percent vaccinated No. of TBE cases

  2. TBE in Austria: Sites of infection 2008

  3. ‘Outbreak‘ of TBE at an alpine region in Austria after consumption of cheese from goat milk 2008 • Cheese made from raw milk of a single TBE virus infected goat • Consumption of the same batch of cheese by 7 family-related individuals • Six out of seven people infected with TBE virus • Four people hospitalized with TBE • Cheese and wey also fed to pigs: 4 of 4 infected, without any apparent disease • No evidence of TBE virus infection of cows at the same alpine meadow • Evidence for infection of the goat at an altitude of about 1500 m • Analysis of ticks from the alpine region ongoing

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