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Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus (IAV) which primarily affects birds but can sometimes affect mammals including humans. Wild aquatic birds are the primary host of Influenza A virus (IAV), which is endemic in many bird populations.
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.
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, commonly called “bird flu,” is a viral infection that usually spreads in birds but can sometimes spread to humans. Influenza A(H5N1) is the most common cause in humans. It can cause severe respiratory symptoms.
Overview. Preparedness. Surveillance. Response. Avian influenza subtype A (HxNy) normally spreads in birds but can also infect humans. Human infections are primarily acquired through direct contact with infected poultry or contaminated environments.
Oct 3, 2023 · Key facts. Humans can be infected with avian, swine and other influenza viruses. Direct contact with infected animals (through handling, culling, slaughtering or processing) or indirect contact (through environments contaminated with bodily fluids from infected animals) represent a risk for human infection.
Jun 21, 2024 · CDC provides an update on its response activities related to the multistate outbreak of avian influenza A(H5N1) virus, or "H5N1 bird flu," in dairy cows and other animals in the United States.
Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses. View All. For Everyone. This page provides links to the latest H5N1 bird flu information.
May 30, 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 is caused by strains of influenza virus A that normally infect only wild birds and domestic poultry. Infections due to some of these strains have been detected in humans. Human-to-human transmission is limited, most cases are acquired from animals, typically poultry.
