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.
Avian Influenza Type A | Bird Flu | CDC - Centers for Disease …
Dec 20, 2024 · Most avian influenza A viruses are low pathogenic and cause few signs of disease in infected wild birds. In poultry, some low-pathogenic viruses can mutate into highly pathogenic avian influenza viruses.
About Bird Flu | Bird Flu | CDC - Centers for Disease Control and ...
Dec 30, 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 Outbreak: Should You Take Down Your Bird …
Jan 3, 2025 · Many people are concerned about the outbreak of avian influenza, or bird flu, that began in 2022 and has affected domestic poultry, waterfowl, raptors, shorebirds, other species of birds, and some mammals in many parts of the world.
Avian influenza - Wikipedia
Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations. [2] [3]Symptoms of avian influenza vary …
Avian Influenza (Bird Flu): H5N1, Causes, Symptoms & Treatment
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.
Influenza (Avian and other zoonotic) - World Health Organization …
Oct 3, 2023 · Exposure to avian influenza viruses can lead to infection and disease in humans, ranging from mild, flu-like symptoms or eye inflammation to severe, acute respiratory disease and/or death. Disease severity will depend upon the virus causing the infection and the characteristics of the infected individual.
What is bird flu, and should you be worried? - UGA Today
Dec 20, 2024 · Commonly known as bird flu, the H5N1 avian influenza virus is found in wild aquatic birds across the globe and can also cause outbreaks and disease in poultry.. S. Mark Tompkins heads UGA’s Center for Influenza Disease and Emergence Research, one of only six such institutions focusing on the history, transmission and progression of influenza nationwide funded by the National Institute of ...
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.
Avian Influenza - Animal and Plant Health Inspection Service
Aug 30, 2024 · Avian influenza, or "bird flu," is a contagious viral disease of domestic and wild birds. It's a major threat to the poultry industry, animal health, trade, and the economy worldwide. Caused by influenza type A viruses, the disease varies in severity depending on the strain and species affected.