About Bird FluThe cause of bird flu is a type A influenza virus that spreads among birds. The virus then it could spread to other species such as pigs, cats, dogs, tigers, and even humans.
Influenza virus type A has several subtypes that marked the Hemagglutinin (H) and Neuramidase (N). There are 9 variants of H and 14 variants of N. Bird flu virus is contagious when it is the H5N1 subtype has an
Showing posts with label Bird Flu. Show all posts
Showing posts with label Bird Flu. Show all posts
Saturday, February 4, 2012
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