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

  • CDC Update: Avian flu is widespread, affecting poultry, wild birds, mammals, and dairy herds. As of June 27th, 133 dairy herds have been affected among 12 states.
  • June 3rd, it was reported that an H5 avian influenza wastewater dashboard was launched that shows detections at multiple locations, mostly in Texas and Michigan. This dashboard was launched by a national wastewater monitoring system based at Standard University.
  • June 6th, it was reported that a 59-year-old man from Mexico had died after being infected with H5N1 avian flu. Mexico's Ministry of Health said the man, who died in April, was infected but died from other underlying causes.
  • June 6th, the Minnesota Board of Animal Health reported that H5N1 highly pathogenic avian influenza (HPAI) has been confirmed in a Benton County dairy herd. 
  • June 11th, the Wisconsin Department of Agriculture, Trade, and Consumer Protection (DATCP) announced they are requiring influenza A testing prior to the movement of lactating dairy cattle to fairs and exhibitions in an effort to prevent the spread of H5N1 avian influenza.
  • As of June 11th, the U.S. Department of Agriculture (USDA) reported 36 more H5N1 avian flu detections in mice and 4 more detections in domestic cats.
  • June 11th, it was reported that India and China both reported an H9N2 avian influenza case in children.
  • June 14th, China reported another fatal H5N6 avian influenza infection.
  • June 25th, Iowa's Secretary of Agriculture announced new testing requirements for dairy cattle participating in Iowa fairs and exhibitions.
  • June 25th, the FDA released an agenda that outlines various research efforts they are undertaking to help ensure the safety of the commercial milk supply.
  • June 27th, the USDA announced they are to begin accepting applications for expanded emergency livestock assistance program to help dairy producers offset milk loss due to H5N1.
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