avian flu spread

Where Did The Avian Flu Come From?

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The avian influenza virus A(H5N1) emerged in 1996. It was first identified in Southern China and Hong Kong The A(H5N1) virus kills a high proportion of the poultry that it infects and is therefore known as a highly pathogenic avian influenza virus. How did avian flu spread? Avian influenza is mainly spread by direct contact … Read more

Where Does Avian Influenza Occur?

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Outbreaks of bird flu have occurred in Asia, Africa, North America and parts of Europe Most people who have developed symptoms of bird flu have had close contact with sick birds. In a few cases, bird flu has passed from one person to another. Only sporadic human cases have been reported since 2015. Why does … Read more