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H9 AVIAN INFLUENZA VACCINE STRAIN WHICH DIFFERENTIATES INFECTED FROM VACCINATED ANIMALS, AND PREPARATION METHOD THEREFOR
H9 AVIAN INFLUENZA VACCINE STRAIN WHICH DIFFERENTIATES INFECTED FROM VACCINATED ANIMALS, AND PREPARATION METHOD THEREFOR
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机译:从疫苗接种的动物中感染的H9禽流感疫苗株及其制备方法
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摘要
Provided is an application of a label gene sequence in the preparation of an H9 avian influenza vaccine strain which differentiates influenza A virus infection from vaccination, the label gene sequence containing a DNA sequence for coding an influenza B virus NA protein extracellular region amino acid sequence. Also provided are an H9 avian influenza vaccine strain which differentiates influenza A virus infection from vaccination, a preparation method therefor, and an application.
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