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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.
Bird flu is called that because it was first seen in wild birds in the late 1990s, and is apparently spread as these birds migrate. Just in the first 17 days of this year, 21 states reported bird ...
Bird flu cases are still rising in the U.S. as the virus continues to devastate poultry farms. More than 145 million chickens, ducks, turkeys and other fowl have been slaughtered across the United ...
The strain called bird flu is an influenza A virus and gets its name because wild birds such as gulls, ducks geese and other waterfowl act as hosts for the virus.
H5N6 is a subtype of the species Influenza A virus (sometimes called bird flu virus). Infected birds shed the virus in their saliva, mucus, and feces. 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 ...
The bird family Tytonidae, which includes the barn owls Tyto and the bay owls Phodilus, is one of the two families of owls, the other being the true owls or typical owls, Strigidae. They are medium to large owls with large heads and characteristic heart-shaped faces.
The current outbreak of H5N1 bird flu, which began in October last year, is being described by officials as “unprecedented in its scale and the breadth of species affected”.
In the list of birds maintained by Frank Gill, Pamela Rasmussen and David Donsker on behalf of the International Ornithological Committee (IOC) the barn owl is now split into four species: the western barn owl (Tyto alba) (10 subspecies), the American barn owl (Tyto furcata) (12 subspecies), the eastern barn owl (Tyto javanica) (7 subspecies ...