(S (S (QT (DQL ``) (S (BASENP (DT The) (NN vaccine)) (VP (VP (VP (VBZ does) (RB not)) (VP (VB contain) (BASENP (DT any) (JJ live) (NN HIV)))) (CC and) (VP (ADVP (RB therefore)) (VP (VP (MD can) (RB not)) (VP (VB cause) (BASENP (DT any) (NNS infection))))))) (DQR '')) (COMMA ,) (S (BASENP (NNP SAAVI)) (VP (VP (VBD said) (PP (IN in) (BASENP (DT a) (NN press) (NN release)))) (COMMA ,) (S (VP (VBG adding) (SBAR (IN that) (S (BASENP (DT the) (NN vaccine)) (VP (VP (VP (VBD was) (VP (VBN found) (S (VP (TO to) (VP (VB be) (ADJP (JJ safe))))))) (CC and) (VP (VBD produced) (NP (BASENP (DT an) (JJ immune) (NN response)) (PP (IN against) (BASENP (NN HIV)))))) (PP (IN in) (BASENP (JJR earlier) (NNS trials))))))))))) (PERIOD .))