H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
4 days ago · H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several recent human cases in U.S. dairy and poultry workers. While the current public health risk is low, CDC is watching the situation carefully and working with states to monitor people with animal exposures.
Influenza A virus subtype H5N1 - Wikipedia
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which 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 …
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. How does bird flu spread?
Highly Pathogenic Avian Influenza A(H5N1) Virus: Interim ...
Dec 26, 2024 · CDC considers HPAI A (H5N1) viruses to have the potential to cause severe disease in infected humans and recommends the following: Avoid exposure to sick or dead animals.
Is bird flu the next pandemic? What to know after the first H5N1 …
Jan 8, 2025 · The bird flu that’s been making news in the United States is a virus called H5N1. Some flu viruses carried by birds cause only mild infections and are classified as low-pathogenic viruses.
Influenza: A(H5N1) - World Health Organization (WHO)
Current seasonal influenza vaccines do not protect against human infection with animal influenza A viruses, including H5N1 viruses. What does WHO do to respond to H5N1 influenza? WHO works with countries to help them prevent, detect and manage cases of H5N1 virus infection in humans when they occur.
Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
H5 bird flu is causing outbreaks in wild birds and poultry, other animals and sporadic human cases. Infections with highly pathogenic avian influenza A (H5N1) viruses in mammals have been reported. A multi-state outbreak of HPAI A (H5N1) bird flu in dairy cows was first reported on March 25, 2024.
Bird Flu - California Department of Public Health
6 days ago · Bird flu, also known as avian influenza A (H5N1) or highly pathogenic avian influenza (HPAI), is caused by a virus that can cause serious illness and death in birds and mammals. Human infections with bird flu viruses are rare, but they can happen when the virus gets into a person's eyes, nose, mouth, or when inhaled.
Global Influenza Programme - World Health Organization (WHO)
Avian influenza A (H5N1) is a subtype of influenza virus that infects birds and mammals, including humans in rare instances. The goose/Guangdong-lineage of H5N1 avian influenza viruses first emerged in 1996 and have been causing outbreaks in birds since then.
Bird flu mutations show potential for easier human spread. What …
Dec 27, 2024 · H5N1 bird flu samples collected from a severely ill patient in Louisiana show signs of mutations that may make the virus more transmissible to humans, the Centers for Disease Control and...