Promotingefficacy of the longterminal repeat ( LTR ) of the DLA - EIAV was charactenzed.

DLA-EIAV 株与其亲本马强毒L株 和驴强毒DA-EIAV 株核苷酸序列相比,同源率分别为97.0%和97.5%.

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DLA - EIAV can be served as the animal model forstudying on humanimmunodeficiency virus ( HIV ).

在这一过程中, EIAV L株 由强毒变为弱毒,用此弱毒疫苗接种动物后不表现临床症状,但可诱导 免疫 保护.

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