The infectious molecular clone (pOK8266) of DLA-EIAV was construct and its derived virus was obtained (designated as vOK.8266), Based on pOK.

• 在此基础上，以pOK8226为骨架，构建了马传染性贫血病毒强/弱LTR嵌合毒感染性分子克隆(命名为pOKVltr)，并获得了其衍生病毒(命名为vOKVltr)。