Avian Influenza

Dairy Cow Health & Disease
State officials push for additional tools to protect dairy cattle against HPAI
Groups urge the USDA to authorize a voluntary national emergency vaccination framework for dairy cattle, as part of an integrated disease control strategy, in response to ongoing highly pathogenic avian influenza outbreaks.
Medical vials with blue caps and syringe containing clear liquid on blue background
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Avian Influenza
Washington resident dies after contracting HPAI from infected cattle
The Yakima County, Washington, resident had underlying health conditions, according to the Yakima Health District.
H5N1 avian influenza document with medical supplies including syringes, pills, and gloved hands in laboratory setting
Dairy Cow Health & Disease
Indiana sees first case of HPAI in dairy cattle herd
According to the Indiana State Board of Animal Health, the virus was detected in two Newton County, Indiana dairy herds in late October.
Dairy farm milking parlor with multiple cows lined up for automated milking extraction
Avian Influenza
H5N1 returns to England, hits Northumberland commercial flock
All poultry on the premises near Belford will be culled after England confirms its first highly pathogenic avian influenza case of the 2026/27 season, UK government says.
White chicken with red comb eating from a trough in a farm enclosure
Avian Influenza
Washington resident contracts H5N1 after exposure to affected cattle
A resident of Yakima County, Washington, has tested positive for avian influenza after the state confirmed two dairy herds there were affected by the H5N1 virus.
Farmer feeding black and white dairy cattle in a modern barn with metal framework and hay
Avian Influenza
Report: USDA HPAI plan delayed due to RFK Jr. vaccine views
Sources told Politico that Kennedy’s vaccine stance contributed to USDA setting aside its poultry vaccination strategy.
Professional headshot of an older man in dark pinstriped suit and tie, with American flag and official government seal in background
Dairy Cow Health & Disease
Washington state sees first cases of HPAI in dairy cattle
USDA confirms two herds affected, but says there is no risk to consumer health or the safety of the commercial milk supply.
Two farmers inspecting a black and white dairy cow in a barn, with hay and farm equipment visible in the background.
Dairy Cow Health & Disease
New study explains lack of respiratory symptoms in H5N1 infected cows
Cow's respiratory tissues lack key binding sites used by the virus to infect cells, suggesting H5N1 could manifest unusual symptoms in other species.
Dairy cows lined up in milking parlor with automated milking equipment attached
Avian Influenza
Ongoing H5N1 research raises more questions about dairy farm spread
Researcher says he remains unable to explain exactly how the virus is spreading from one farm to the next.
H5N1 avian influenza virus illustration with red text label and 3D virus particle model
Avian Influenza
Anti-viral fogging tech for HPAI in development at Purdue University
Fogging with catmint oil could give poultry producers another tool to prevent HPAI, researcher says.
Three glass bottles with cork stoppers containing essential oils displayed with fresh green mint leaves on a wooden surface
Dairy Cow Health & Disease
US dairy industry faces new threats and new opportunities
Animal disease concerns and labor shortages are persistent challenges, but rising protein demand and low feed prices are bright spots for the industry.
Brown and white dairy cow in a modern barn with black and white cattle lined up in the background
Avian Influenza
Cost of HPAI to dairy farmers may exceed US government aid
Insufficient government assistance could increase the spread of disease as farmers weigh costs and benefits of biosecurity, researcher says.
H5N1 avian influenza virus particle illustration with red text label
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