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WHO在1999年发布的流感大流行应急预案中制定了一系列当人类感染了以前从未在人间传播过的流感亚型得到确认后所应采取的步骤,其中一项步骤就涉及到了开展疫苗生产所需的研究。 作为一项预防措施,WHO正在执行相关的程序,以尽快生产出能够预防在越南发现的禽流感(H5N1)病毒的新
The WHO pandemic preparedness plan for pandemic influenza released in 1999 set out a series of steps to be taken when human beings are infected with a subtype of influenza that has never been transmitted before. One of the steps involved the development of vaccines The research needed. As a precautionary measure, WHO is implementing procedures to produce as soon as possible a new virus that will prevent the detection of the bird flu (H5N1) virus in Vietnam