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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.
Most wild birds infected with bird flu viruses are asymptomatic, meaning they do not show signs or symptoms, the CDC said. Bird flu symptoms in humans include: Mild symptoms - Eye redness and ...
According to experts, infected birds shed flu viruses in their saliva, mucous, and feces. ... According to the U.S. Centers for Disease Control, there have been 57 cases of bird flu in humans this ...
“For example, if a human gets infected with a bird flu and also carries a human influenza A virus, these two viruses can exchange genetic material. This is known as genetic shift ,” Michael says.
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [1]
Avian influenza: Influenza A virus subtype H5N1: wild birds, domesticated birds such as chickens [2] close contact 2003–present avian influenza in Southeast Asia and Egypt. Babesiosis: Babesia spp. mice, other animals tick bite Batai virus infection Batai orthobunyavirus: birds, livestock mosquito bite Baylisascariasis: Baylisascaris ...
An individual pig can become infected with the bird flu virus but also simultaneously infected with a human flu virus. These two viruses multiply in the pig simultaneously. They can trade genes.
The virus was first detected in poultry in 2013, since then spreading among wild bird populations and poultry around the world. Humans can be infected through unprotected contact with infected birds or contaminated surfaces. The virus transmits by getting into a person's eyes, nose, mouth, and through inhalation. Human infections are rare.