Due to gaps in the quality of acute flaccidparalysis (AFP) surveillance at subnational levels, additional undetected WPV circulation cannot be ruled out.
由于国家级以下的急性弛缓性麻痹监测质量存有差距，因此尚不能排除存在未经发现的野生脊灰病毒传播情况。
2
It is important that neighboring countries strengthen surveillance for cases of acute flaccidparalysis, in order to rapidly detect any new poliovirus importations and facilitate a rapid response.