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October 9, 2025Journal of Medical EntomologyOpen Access

Silent circulation of Bluetongue and Schmallenberg viruses in Culicoides biting midges in northwestern Italy: implications for the 2024 BTV outbreak

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Authors

ACAngela Maria CataniaEGElena GregoLTLaura Tomassone

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Overview

Investigation uncovers low viral prevalence of bluetongue and schmallenberg viruses in culicoides, suggesting silent circulation and potential implications for livestock health.

Key Points

  • Viral prevalence of bluetongue and schmallenberg viruses was found to be low at 0.5%.
  • Over 4,000 culicoides were captured, predominantly belonging to the C. obsoletus complex.
  • Molecular screening revealed infection status without clinical signs in animals, indicating silent circulation.
  • Findings emphasize the need for ongoing surveillance to prevent future livestock outbreaks.

Cite This Study

Catania et al. (2025) studied this question.

synapsesocial.com/papers/68e77f09d1c187e1c108fb42https://doi.org/10.1093/jme/tjaf128
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Winter activity and virus infection of Culicoides biting midges (Diptera: Ceratopogonidae) in German livestock housing before and during the 2024 BTV-3 outbreak2026
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  3. 3Emergence of bluetongue virus serotype 3 in western Germany, October 2023, and<i>ad-hoc</i>monitoring in<i>Culicoides</i>biting midges2024 · 6 citations
  4. 4Entomological surveillance for bluetongue virus in Poland: late-season activity and abundance of <i>Culicoides</i> vectors in 20242025
  5. 5Entomological surveillance for bluetongue virus in Poland: late-season activity and abundance of <i>Culicoides</i> vectors in 20242025