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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.
H5 N2 is a subtype of the species Influenzavirus A (avian influenza virus or bird flu virus). The subtype infects a wide variety of birds, including chickens, ducks, turkeys, falcons, and ostriches. Affected birds usually do not appear ill, and the disease is often mild as avian influenza viral subtypes go.
Only around 160 cases of the virus have been reported in the 40 years before 2018, mostly in various waterfowl or wild birds. [1] Existing studies show that H10 influenza viruses are present in a wide range of domestic and wild avian species, as well as in mammals, showing potential for adaptation. [ 2 ]
The threat of avian flu has dominated public health discourse as cases become increasingly more widespread and severe. H5N1, a highly pathogenic strain, was present in several continents as early ...
The avian influenza A (H5N1) virus was detected in 30 birds in backyard flocks in Monroe and Onondaga counties in February, while researchers recently found strains of the highly pathogenic bird ...
The bird flu outbreak took several concerning turns this year, with the number of human cases up to at least 65. Experts outlined several indicators that the virus’ spread is going in the wrong ...
Influenza A virus subtype H7N9 (A/H7N9) is a subtype of the influenza A virus, which causes influenza (flu), predominantly in birds. It is enzootic (maintained in the population) in many bird populations. [1] The virus can spread rapidly through poultry flocks and among wild birds; it can also infect humans that have been exposed to infected ...
A highly pathogenic strain of H5N9 caused an outbreak in 1966 in Ontario and Manitoba, Canada in turkeys, resulting in the slaughter of approximately 8,000 birds. [3] [4] In 1999 an H5 influenza A virus was isolated from a mallard in the Netherlands. [5] In 2008 An H5N9 virus was isolated from poultry in Aomori, Japan. [6]