Articles on Flu virus
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Influenza viruses rapidly evolve in shape, making it hard to develop protective vaccines against them. Despite a great deal of study, scientists have been at a loss to forecast their evolution in any detail…
The H7N9 virus is thought to have been transmitted between a 60-year-old man in China and his 32-year-old daughter, who cared for him. Experts said she had been previously healthy and, unlike her father…
The H7N9 flu virus killed more than a third of people who were admitted into hospital, according to new estimates published…
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…


