Avian Influenza

Avian influenza, also known as "bird flu," is a disease primarily affecting birds caused by influenza viruses. Highly pathogenic avian influenza like H5N1 causes serious illness in birds that can spread rapidly, resulting in high death rates in different bird species and the ability to infect humans.


Use this link to see the current situation report for avian influenza and the resources below for more information.


Recent Updates

  • November 17th: Highly pathogenic avian influenza was confirmed in Taylor County in a domestic flock.
  • November 21st: Highly pathogenic avian influenza was also confirmed in a commercial flock in Trempealeau County.
  • As of November 22nd: During the last 30 days in Minnesota, 14 commercial flocks were affected by avian influenza, affecting over 1.4 million birds.
  • November 21st: China reported its 5th human H9N2 avian influenza case in the past 6 months. 
  • November 27th: Cambodia health officials reported they are investigating 2 new human H5N1 avian flu cases, bringing the country's total to 6 infections this year.
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