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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.
A (H5) Bird Flu: Current Situation | Bird Flu | 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.
Bird Flu | Avian Influenza (Bird Flu) | CDC
Avian Influenza (Bird Flu) Resources A collection of materials and tools to help educate and inform the public about bird flu
H5N1 Bird Flu - City of Chicago
Avian Influenza (H5N1), also known as H5 bird flu, is a viral infection known to be highly contagious and often deadly among wild birds. Recently, this virus has caused outbreaks in other animals such as poultry and dairy cows.
Avian Influenza (Bird Flu): H5N1, Causes, Symptoms & Treatment
Bird flu (avian influenza) is an infection from a type of influenza (flu) virus that usually spreads in birds and other animals. Sometimes, humans can get bird flu from infected animals.
Bird flu Illinois: Latest cases and what you should know – NBC Chicago
A number of bird flu cases have been reported in the Chicago area in recent weeks, leading to many questions about how quickly the virus is spreading and how worried residents should be.
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 | Definition, Symptoms, Treatment, & Prevention | Britannica
Bird flu is a viral respiratory disease of poultry and other bird species, including migratory waterbirds, that can be transmitted to humans. The first known human cases were reported in 1997.
Bird Flu (Avian Influenza) - Johns Hopkins Medicine
Bird flu, formally known as avian influenza A (H5N1), is a disease caused by infection with avian flu Type A viruses. These viruses naturally spread among wild aquatic birds, including ducks, geese and swans, and can infect domesticated birds like chickens and turkeys.
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
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