Article Summary
Colombia has been officially declared free of H5N1 highly pathogenic avian influenza by the World Organisation for Animal Health after successfully containing a single outbreak in a backyard flock in Puerto Carreño through culling, disinfection, and surveillance measures.
- The single H5N1 outbreak occurred in June at a family subsistence farm in Puerto Carreño, Vichada Department, affecting only a backyard flock.
- Colombian authorities successfully contained the outbreak through culling, cleaning, disinfection, and movement restrictions, officially closing it on August 3, 2026.
- The outbreak was traced to epidemiological contact with migratory wild birds, with symptoms including weakness, loss of appetite, diarrhea, and high mortality.
- Colombia has maintained passive surveillance for the virus and continues monitoring to prevent future outbreaks.
- Prior to this single case, Colombia had been avian influenza-free since April, with no active reports in commercial poultry operations.
2026
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