传播的疫苗衍生脊髓灰质炎病毒（cVDPV）在尼日利亚的出现，再次证明尚有不少儿童没有得到保护，使他们免遭脊髓灰质炎病毒的侵袭（无论是野生型还是疫苗衍生型）。
The spread of a circulating vaccine-derived poliovirus in Nigeria reaffirms that not enough children are protected from poliovirus (wild or vaccine-derived).
发生1型野生脊髓灰质炎病毒输入病例之后，塔吉克斯坦共和国卫生部自2010年1月1日以来报告发生了430例脊髓灰质炎病例。
The Ministry of Health of the Republic of Tajikistan has since 1 January 2010 reported 430 cases of polio following the importation of a wild poliovirus type 1 into the country.
迄今为止，已在其中7例病例的诊断样本中分离出了1型脊髓灰质炎病毒。
To date, poliovirus type 1 has been isolated in diagnostic specimens from 7 of these cases.
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