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H5 Bird Flu: Current Situation | Bird Flu | CDC
H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with sporadic human cases in U.S. dairy and poultry workers.
Avian influenza - Wikipedia
Avian influenza (AI), or bird flu, has significantly impacted the poultry industry with economic ramifications felt globally. The virus primarily affects poultry species, and when outbreaks occur, large-scale culling of infected birds is often necessary to prevent further spread.
Avian Influenza (Bird Flu): H5N1, Causes, Symptoms & Treatment
A type of influenza A virus, often H5N1 in humans, causes bird flu. The virus can infect your upper respiratory tract and lungs, and sometimes spread to other parts of your body like your brain.
H5N1 bird flu outbreak enters fourth year in U.S.H5N1 bird ...
As the highly pathogenic avian influenza outbreak continues, university experts work to develop edible vaccines to protect the U.S. poultry industry.
Bird flu: Where we are now and what to know about prevention
Learn what we know about bird flu, from its risk to humans to the best prevention strategies.
Avian flu returns to a Weld County egg farm - The Colorado Sun
State officials are confirming a suspected outbreak of avian flu among chickens at a large commercial egg farm in Weld County, with the governor’s office declaring a disaster after a year of relative quiet with the deadly and highly contagious bird disease.
Bird Flu (Avian Influenza) - Johns Hopkins Medicine
While bird flu is rare in humans, infections can occur. Learn about symptoms, risk factors and prevention.
Avian Influenza (Bird Flu) Fact Sheet | Cornell University ...
What is avian influenza? Avian influenza is an influenza type A virus that occurs naturally in wild aquatic birds, including ducks, geese and gulls. Mild forms of avian influenza (known as low pathogenic avian influenza, or LPAI) are routinely found in wild birds and don’t cause serious illness.
This Vaccine Stops Bird Flu Before It Reaches the Lungs
A new nasal spray vaccine could stop bird flu at the door — blocking infection, reducing spread, and helping head off the next pandemic.
Nasal vaccine combats bird flu infection in rodents
Nasal vaccine combats bird flu infection in rodents Study shows novel vaccine design and delivery protect against H5N1 variants by Shawn Ballard • January 30, 2026 Getty Images Researchers at WashU Medicine have developed a nasal vaccine against the highly pathogenic H5N1 avian influenza virus, or bird flu, which has jumped from wild birds to livestock to humans. When tested in rodents, the ...
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