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Articles on Flu virus

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One of three major types of the flu viruses that infect people, influenza A ranges from H1 to H17 and from N1 to N9. Señor Codo

H1N1, H5N1, H7N9? What on earth does it all mean

Facts about Flu - Ever wondered what flu classifications mean? Read on. The pandemic influenza strain, or swine flu, that spread globally in 2009 was referred to as H1N1 and the new bird flu currently…

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