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An HIV vaccine that could defeat the virus could undergo human trials in as little as a year's time, scientists say, the Daily Mail reported.

The "mosaic vaccine," which is being designed by an international team, is composed of many sets of synthetic, computer-generated sequences of proteins. These can cue the body's immune system to respond to a variety of HIV mutations.

HIV's ability to evolve rapidly is what allows it evade current drugs.

Bette Korber of the Los Alamos National Laboratory in New Mexico said researchers are in the evolutionary fast lane studying HIV. "If you give just one drug, HIV evolves away from it. That's why treatments involve three or four drugs at once," Korber said.

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艾滋病疫苗即将问世

        英国《每日邮报》报道，科学家称，可以战胜致命的艾滋病病毒的疫苗最短一年后就可以进行人体实验了。

       这种由一个国际研究小组设计的“拼接疫苗”含有许多由计算机制造的合成蛋白质序列，可以提示身体的免疫系统对艾滋病病毒的一系列变化作出反应。

       艾滋病病毒变化迅速，所以它可以避开现在的药物。

       新墨西哥州洛斯阿拉莫斯国家实验室的贝蒂·克勃说科学家对艾滋病病毒的研究正取得快速进展。克勃说：“如果你仅仅用一种药，艾滋病病毒很快就进化了。这就是为什么治疗总是需要同时用三四种药。”