Bluetongue Virus Serotype 8 Reemergence in Germany, 2007 and 2008
2008

Reemergence of Bluetongue Virus Serotype 8 in Germany

Sample size: 150 publication Evidence: moderate

Author Information

Author(s): Hoffmann Bernd, Saßerath Michael, Thalheim Sabine, Bunzenthal Claudia, Strebelow Günter, Beer Martin

Primary Institution: Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany

Hypothesis

How did Bluetongue Virus Serotype 8 reemerge in Germany in 2007 and 2008?

Conclusion

Bluetongue Virus Serotype 8 reemerged in Germany earlier than expected, indicating efficient overwintering and low-level continuous infections.

Supporting Evidence

  • BTV-8 was first detected in Germany in May 2007 and confirmed by multiple testing methods.
  • Over 21,000 new cases of BTV-8 were reported in Germany in 2007.
  • Sentinel animals were effective in detecting the reemergence of BTV-8.

Takeaway

Scientists found that a virus affecting cattle came back in Germany after being gone for a while, and it might still be around even in winter.

Methodology

Sentinel animal program tested 150 BTV-naive cattle monthly across Germany, using ELISA and real-time PCR for diagnostics.

Potential Biases

Potential mix-up of samples could lead to misleading interpretations.

Limitations

The low number of sentinel animals may have led to underreporting of infections.

Participant Demographics

Sentinel cattle were BTV-naive Holstein Friesian cows.

Digital Object Identifier (DOI)

10.3201/eid1409.080417

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