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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.
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.
Evidence of Bird Flu Transmission from Pet Cat to Human Confirmed for ...
A veterinary professional in Los Angeles County tested positive for H5N1 after exposure to an infected cat. The infected cats became sick after consuming raw milk, raw meat, or raw pet food.
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.
Bird Flu in Humans: Who’s at Risk and What Are the Symptoms?
This guide will focus on the highly pathogenic H5N1 strain and walk you through who is most at risk, how to recognize bird flu symptoms and what simple steps you can take to protect yourself and your family.
Human Infection with Highly Pathogenic Avian Influenza A(H5N5) Virus
Avian influenza can jump species from birds to humans, a fact that arouses concern for serious illness and broader human transmission. In this report, avian influenza A(H5N5) was shown to cause sev...
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
CDC confirms cat-to-human transmission of avian influenza
A public health investigation documented the transmission of highly pathogenic avian influenza virus (HPAI, more specifically avian influenza type A H5N1) from a domestic cat to a human, but health officials maintain that the risk remains low.
Highly Pathogenic Avian Influenza Continues to Affect Wild Birds Across ...
The U.S. Geological Survey’s National Wildlife Health Center is closely monitoring the ongoing impacts of highly pathogenic avian influenza on wild bird populations across the United States as the virus continues to drive significant mortality events nationwide.
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