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The 2008 bird flu outbreak in West Bengal was an occurrence of avian influenza in West Bengal, India which began in January 2008. [1] The infection was caused by the H5N1 subtype of the Influenza A virus and impacted at least thirteen districts, including Birbhum, Nadia, Murshidabad, Burdwan, Hooghly, Cooch Behar, Malda, Bankura, Purulia, Howrah, West Midnapore, South 24 Parganas and South ...
The spread to species and populations of birds, and the ability of felids (cats) to catch H5N1 from eating this natural prey, means the creation of a reservoir for H5N1 in cats where the virus can adapt to mammals is one of the many possible pathways to a pandemic. [citation needed]
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 virus can spread rapidly through poultry flocks and among wild birds. [3] An estimated half billion farmed birds have been slaughtered in efforts to contain the virus. [2] Symptoms of A/H5N1 influenza vary according to both the strain of virus underlying the infection and on the species of bird or mammal affected.
The concerning bird flu outbreak that has spread to four humans so far as it expands quickly in the U.S. has jumped to dozens of species, infecting mammals in at least 31 states.
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.
Four dairy workers have also tested positive in the country. A particularly severe variant of the H5N1 strain has been spreading around the world in animals since 2020, causing lethal outbreaks in ...
Infected birds pass on H5N1 through their saliva, nasal secretions, and feces. Other birds may pick up the virus through direct contact with these excretions or when they have contact with surfaces contaminated with this material. Because migratory birds are among the carriers of the H5N1 virus it may spread to all parts of the world.