Comparative assessment of passive surveillance in disease-free and endemic situation: Example of Brucella melitensis surveillance in Switzerland and in Bosnia and Herzegovina
2008

Comparative Assessment of Brucella melitensis Surveillance in Switzerland and Bosnia and Herzegovina

publication Evidence: moderate

Author Information

Author(s): Hadorn Daniela C, Haracic Sabina Seric, Stärk Katharina DC

Primary Institution: Federal Veterinary Office, Switzerland

Hypothesis

How does passive surveillance for Brucella melitensis differ between disease-free and endemic situations?

Conclusion

The effectiveness of passive surveillance for Brucella melitensis is highly context-dependent, with higher sensitivity observed in Bosnia and Herzegovina compared to Switzerland.

Supporting Evidence

  • The study found that disease awareness significantly influences the detection of Brucella melitensis.
  • Passive surveillance was shown to be less effective in smaller flocks in Switzerland.
  • Scenario tree modeling provided a structured analysis of passive surveillance activities.

Takeaway

This study looks at how well we can find a disease in animals based on how aware farmers are of it, showing that being alert helps catch more cases.

Methodology

The study used scenario tree modeling to evaluate and compare the sensitivity of abortion testing for Brucella melitensis in Switzerland and Bosnia and Herzegovina.

Potential Biases

Potential under-reporting due to low disease awareness in Switzerland compared to Bosnia and Herzegovina.

Limitations

The study relies on hypothetical disease-free assumptions for Bosnia and Herzegovina despite the disease being endemic there.

Participant Demographics

Farmers and veterinarians in Switzerland and Bosnia and Herzegovina.

Digital Object Identifier (DOI)

10.1186/1746-6148-4-52

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