-
Stopping wild poliovirus transmission in endemic countries
阻断流行国家中野生脊灰病毒的传播
youdao
-
The new case of wild poliovirus was confirmed last month in south darfur.
上月，达富尔南部地区确定了一例新野生型脊髓灰质炎病毒感染的病例。
youdao
-
The new case of wild poliovirus was confirmed last month in south darfur.
上月，达富尔南部地区确定了一例新野生型脊髓灰质炎病毒感染的病例。
youdao