AI Article Synopsis

  • Bluetongue virus serotype 3 (BTV-3) was detected in Portugal's Alentejo region in September 2024, first identified in a sheep showing severe symptoms like head swelling and respiratory issues.
  • Two cases were confirmed within the same area, leading to high mortality rates in affected livestock.
  • In light of the rapid spread of BTV-3, monitoring and vaccination campaigns are underway to protect livestock health and control the virus's transmission.

Article Abstract

In September 2024, bluetongue virus serotype 3 (BTV-3) was first identified in Portugal, specifically in the Alentejo region (Évora District), using molecular diagnostic methods. The initial case involved a sheep exhibiting severe clinical symptoms, including head oedema, prostration, nasal discharge, and significant respiratory distress. A subsequent case was documented in another sheep from a different farm within the same district, which presented with high fever (41.5 °C), nasal discharge, and arthritis, ultimately resulting in mortality. Within one month of these initial detections, additional cases in both sheep and cattle were reported in neighbouring districts, indicating the virus rapid spread within the region. In response to this emerging threat, extensive monitoring efforts are being undertaken to delineate the distribution of BTV-3, and vaccination campaigns targeting this serotype have been initiated. These measures aim to mitigate the impact of the virus on livestock health and prevent further transmission.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11680098PMC
http://dx.doi.org/10.3390/v16121845DOI Listing

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