真正的风险是可能发生的新感染率的迅速上升，这将使我们在治疗方面取得的成就前功尽弃。
There's a real risk we could experience an upsurge in new infections that would undercut everything we've done with treatment.
奥巴马说，艾滋病新感染率在世界上其他地方都在下降，但在美国却维持不变，所以需要更多努力。
The president said the rate of new HIV infections is dropping elsewhere in the world, but it remains steady in the United States and more work is needed.
自2001年以来，33个国家(其中22个国家位于非洲撒哈拉以南)年均艾滋病毒新感染率有所下降。
Since 2001, annual HIV incidence has fallen in 33 countries, 22 of them in sub-Saharan Africa.
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