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根据全球脊髓灰质炎(脊灰)实验室网络(Global Polio Laboratory Network,GPLN)中很多实验室的监测和研究结果,有越来越多的证据表明,需要对循环的疫苗衍生脊灰病毒(Circulating Vaccinederived Polioviruses,cVDPVs)的定义和Ⅱ型VDPV的定义进行修改。现在正在施行的定义是:在>例急性弛缓性麻痹(Acute Flaccid Paralysis,AFP)病例中检出基因序列相关的脊灰病毒,并且这些脊灰病毒与同血清型的赛宾(Sabin)疫苗株病毒相比
According to the results of the monitoring and research conducted by many laboratories in the Global Polio Laboratory Network (GPLN), there is increasing evidence that circulatory vaccine-derived poliovirus (Circulating Vaccine derived Polioviruses, cVDPVs) and the definition of Type VDPV. The definition now being implemented is that a gene sequence-related poliovirus is detected in> one case of Acute Flaccid Paralysis (AFP), and these polioviruses are linked to the same serotype Sabin vaccine strain Compared to the virus