Avian influenza - Wikipedia
The highly pathogenic influenza A virus subtype H5N1 is an emerging avian influenza virus that is causing global concern as a potential pandemic threat. It is often referred to simply as "bird flu" or "avian influenza", even though it is only one of many subtypes.
Bird flu (avian influenza) - Symptoms and causes - Mayo Clinic
Jun 8, 2024 · Bird flu, also called avian influenza, is caused by influenza type A virus infections in bird species. Depending on the strain, bird flu may cause the bird to have no symptoms, mild illness, serious illness or lead to the death of the bird. Bird flu rarely infects humans.
About Bird Flu | Bird Flu | CDC - Centers for Disease Control ...
Dec 20, 2024 · Bird flu is a disease caused by avian influenza A viruses that usually spread between birds, not people. One subtype of bird flu, caused by avian influenza A(H5) virus, is spreading worldwide in wild birds and causing sporadic outbreaks in U.S. poultry and dairy cows.
Avian Influenza in Birds: Causes and How It Spreads
May 3, 2024 · Avian influenza refers to disease in birds caused by infection with avian (bird) influenza (flu) Type A viruses. Avian influenza A viruses have been isolated from more than 100 different species of wild birds around the world.
Bird Flu (Avian Influenza) - Cleveland Clinic
Dec 5, 2024 · Avian influenza, commonly called “bird flu,” is a viral infection that spreads in birds, cows and other animals. It can sometimes spread to people. In humans, H5 subtypes of influenza A are the most common cause.
Bird Flu in Animals and People: Causes and How It Spreads
May 24, 2022 · Avian influenza A (bird flu) viruses may be transmitted from infected birds to other animals, and potentially to humans, in two main ways: Directly from infected birds or from avian influenza A virus-contaminated environments. Through an …
Influenza: Avian - World Health Organization (WHO)
May 16, 2024 · Avian influenza, sometimes known as bird flu, is a disease caused by a virus that mainly affects birds but can also affect mammals, including humans. It primarily spreads from infected birds to humans through close contact with birds or contaminated environments, such as in backyard poultry farm settings and at markets where birds are sold.
Bird Flu | Influenza A | Avian Flu - MedlinePlus
Sep 11, 2024 · What is bird flu? Birds, just like people, can get the flu. Another name for bird flu is avian influenza. The viruses that cause bird flu normally only infect birds, including chickens, other poultry, and wild birds such as ducks. But sometimes the viruses can infect other animals and, in rare cases, people.
Avian Influenza - PAHO/WHO | Pan American Health Organization
Dec 10, 2024 · Avian influenza, also known as 'bird flu', is a disease primarily affecting birds and is caused by a virus of the Orthomyxoviridae family. According to its subtype, it may be classified as high or low pathogenicity, presenting different symptoms in infected birds.
Bird flu | Definition, Symptoms, Treatment, & Prevention ...
Dec 26, 2024 · bird flu, a viral respiratory disease mainly of poultry and certain other bird species, including migratory waterbirds, some imported pet birds, and ostriches, that can be transmitted directly to humans.