H5 Bird Flu: Current Situation | Bird Flu | CDC - Centers for Disease ...
Jan 17, 2025 · Clinicians can visit CDC's avian influenza (bird flu) information for health professionals for the latest guidance. Learn more.
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 - 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]
Avian Influenza Type A | Bird Flu | CDC - Centers for Disease …
Dec 20, 2024 · Avian influenza A viruses are classified into the following two categories: low pathogenicity avian influenza (LPAI) A viruses, and highly pathogenic avian influenza (HPAI) A viruses. The categories refer to molecular characteristics of a virus and the virus' ability to cause disease and mortality in chickens in a laboratory setting .
Avian Influenza (Bird Flu): H5N1, Causes, Symptoms & Treatment
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 - World Health Organization (WHO)
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 Basics From a Rutgers Health Infectious Disease Expert
1 day ago · Avian influenzas, commonly called “Bird Flu,” are influenza viruses that readily infect and spread through birds. While multiple influenza viruses are known, the H5N1 bird flu is the most widely circulating at present and is the main cause …
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.
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.
The Latest on Bird Flu in Humans, Cats and Chickens
2 days ago · Avian influenza is so contagious and deadly in poultry that the entire flock is culled as soon as the presence of the virus is confirmed. Since the bird flu outbreak began in February 2022, more ...