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A(H5) Bird Flu: Current Situation - CDC
CDC is using its flu surveillance systems to monitor for A (H5) bird flu activity in people. On July 7, 2025, CDC streamlined A (H5) bird flu updates with routine influenza data updates and updated reporting cadences to reflect the current public health situation.
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.
Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
Find the latest information about detections of H5N1 bird flu in people. A multi-state outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on March 25, 2024. CDC surveillance shows no indicators of unusual flu activity in people, including H5N1 bird flu.
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.
MDARD - Avian Influenza (Bird Flu) - State of Michigan
Highly pathogenic avian influenza (HPAI), commonly called “bird flu,” is a virus found among various species of birds. HPAI viruses can infect domestic poultry, which includes chickens, turkeys, pheasants, quail, ducks, geese, and guinea fowl.
Detections of Highly Pathogenic Avian Influenza in Wild Birds
Wild birds can be infected with highly pathogenic avian influenza (HPAI) and show no signs of illness. They can carry the disease to new areas when migrating, potentially exposing domestic poultry to the virus.
Bird flu (avian influenza) - Symptoms and causes - Mayo Clinic
Flu viruses in other animals, such as birds, may be a risk to people. Learn more about the symptoms, causes, prevention and treatment for bird flu in people.
Why Bird Flu Is Surging Again—And What It Means for Public Health ...
After a quiet summer, bird flu cases are rising again. Scientists expected the development, but what happens next is still uncertain
Bird flu (avian influenza) | Australian Centre for Disease Control
Bird flu (avian influenza) is caused by specific influenza A viruses that usually infect birds. These viruses are different to those that cause seasonal flu in people.
Influenza A virus subtype H5N1 - Wikipedia
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus that causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [1]
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