Chinese donkeyleukocyte attenuated strain of equine infectious anemia virus(DLA-EIAV) was the onlysuccessful lentivirus vaccine, which has been applied extensivelyin China against EIA fortwenty years.

• 马传贫驴白细胞弱毒疫苗（DLA-EIAV）是将分离自辽宁省的EIAV L株通过驴体传代，使其毒力明显增强（称为驴强毒，DA-EIAV），然后在驴白细胞培养物上连续传代致弱获得的。