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Epidemiology reports infections of bluetongue virus serotype 8, suggesting effective vaccination impact.
In Germany, bluetongue disease had not been reported before 2006. During August 2006-August 2008, > 24,000 bluetongue virus serotype 8 infections were reported, most (20,635) in 2007. In 2006 and 2007, respectively, case-fatality rates were 6.4% and 13.1% for cattle and 37.5% and 41.5% for sheep. Vaccination in 2008 decreased cases
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Conraths et al. (2009) studied this question.
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