The dashing of that hope is a real blow, but there are other approaches to vaginal microbicides.

这个希望的破灭如同一场风暴，但是有其他方法完成杀微生物剂。

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It's not clear whether the microbicides are absorbed in the bloodstream, where drug resistance would occur, Heise says.

现在还不清楚药剂是否会在血液中循环，药物是否会产生抗性，Heise说。

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Microbicides, of course, will never provide the long-term protection afforded by a vaccine should one ever be developed.

ECONOMIST: AIDS microbicides: An ounce of prevention | The

"The results of the CAPRISA study are important and of considerable significance for the field of microbicides, " Fauci said.

CNN: Gel cuts HIV transmission rate in study

Indeed, amid the gloom about microbicides and vaccines, circumcision is the one bright spot in the field of AIDS prevention.

ECONOMIST: The XVIIth International AIDS Conference