Infected birds can shed avian influenza A viruses in their saliva, nasal secretions, and feces. Susceptible birds become infected when they have contact with the virus as it is shed by infected birds. They also can become infected through contact with surfaces that are contaminated with virus from infected birds. 9 мар. 2022 г.
How are birds and the flu related?
Avian influenza or bird flu refers to the disease caused by infection with avian (bird) influenza (flu) Type A viruses. These viruses naturally spread among wild aquatic birds worldwide and can infect domestic poultry and other bird and animal species.
Do flu viruses come from birds?
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 intermediate host, such as another animal.
What does the bird flu mainly affect?
The avian influenza virus can more frequently kill domesticated birds, such as chickens and turkeys. Symptoms in birds differ according to the species but can include diarrhoea, breathing difficulties, swollen head and death. A sick bird sheds the virus in its feathers, mucous, saliva and faeces.
Does bird flu affect?
Avian influenza (bird flu) mainly affects birds. It can also affect humans and other mammals. Avian influenza (bird flu) is a notifiable animal disease. If you suspect any type of avian influenza in poultry or captive birds you must report it immediately by calling the Defra Rural Services Helpline on 03000 200 301.
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