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甲型H1N1是一种病毒,是Orthomyxoviridae系列的一种病毒。它的宿主是鸟类和一些哺乳动物。有些H1N1病毒引起严重的疾病大多发生于家禽方面,而人类却很少出
H1N1 is a virus that is a virus of the Orthomyxoviridae family. Its hosts are birds and some mammals. Some H1N1 viruses cause serious diseases mostly in poultry, while humans rarely