wild type poliovirus 脊髓灰质炎ⅲ型野毒株
wild-type poliovirus 脊髓灰质炎野病毒
imported wild-type poliovirus 输入脊髓灰质炎野病毒
wild type i poliovirus 脊髓灰质炎病毒ⅰ型野
Wild type 3 poliovirus 脊髓灰质炎Ⅲ型野毒株
wild type i poliovirus isolated 脊髓灰质炎Ⅰ型野毒株
On 20 April, four polio cases due to wild poliovirus type 1 were confirmed in Yemen.
4月20日，在也门由1型野生脊髓灰质炎病毒造成的4例脊髓灰质炎病例得到确认。
Four cases have been confirmed to have been caused by wild poliovirus type 1 and laboratory testing continues.
经确认，四例病例由1型野生脊灰病毒引起，实验室检测还在继续。
Northern Nigeria is currently affected by a new outbreak of wild poliovirus type 1 (WPV1), which has begun to spread internationally.
尼日利亚北部目前受到新暴发的野生1型脊髓灰质炎病毒(WPV1)影响，此病毒已开始在国际上传播。
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