Still, because it is the first study to show the gel works, 'I would like to see a confirmatory study, ' said one of the leaders of the trial, Salim Abdool Karim.

但这项研究的带头人之一卡里姆（Salim Abdool Karim）说，由于是首次有研究显示这种凝胶能够防止感染艾滋病毒，因此希望能开展证实性研究。

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Salim Abdool Karim, one of the two leading co-researchers, told reporters in Vienna that the 889 women involved in the trial, conducted in the coastal city of Durban and a remote rural village, had largely used the gel as directed.

BBC: Scientists say vaginal gel cuts HIV-infections by half