Bird flu (avian influenza) - Symptoms and causes - Mayo Clinic
2024年6月8日 · 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.
Avian Influenza (Bird Flu): H5N1, Causes, Symptoms & Treatment
2024年12月5日 · 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.
Avian Influenza in Birds: Causes and How It Spreads
2024年5月3日 · 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.
Avian Influenza Type A Viruses | Bird Flu | CDC - Centers for …
2024年5月30日 · 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 .
Bird Flu | Bird Flu | CDC - Centers for Disease Control and Prevention
Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses.
Influenza: Avian - World Health Organization (WHO)
2024年5月16日 · What is avian influenza? 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.
Influenza (Avian and other zoonotic) - World Health Organization …
2023年10月3日 · WHO fact sheet on avian influenza: includes key facts, definition, clinical features, antiviral treatment, risk factors for human infection, human pandemic potential, WHO response.
A bird flu primer: What to know and do - Harvard Health
2024年6月4日 · Bird flu, or avian flu, is a naturally occurring illness. Just as certain flu viruses spread among humans, Type A influenza viruses often spread among wild birds. The strain of virus circulating now is H5N1, named for two proteins on …
Bird Flu (Avian Influenza): Causes, Symptoms, and Treatment - WebMD
2024年6月4日 · What Is Bird Flu? Bird flu, also called avian influenza, is a viral infection that can cause flu in birds and sometimes spread to mammals, including humans. Migrating waterfowl (wild ducks,...