在很多非洲国家，艾滋病患者和艾滋病毒携带者频繁地因最终不经意感染结核病而死亡，使得艾滋病和结核病成为特别危险的组合型传染病。

In many African countries, people living with AIDS frequently succumb to TB as a final, deadly opportunistic infection, making AIDS and TB a particularly dangerous co-epidemic.

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克莱·门特斯表示，二甲胺四环素能够降低T细胞的激活和增殖能力，这是从HIV感染者变成艾滋病患者所要经历的两个重要步骤。

According to Clements, minocycline reduces the ability of t cells to activate and proliferate, both steps crucial to HIV production and progression toward full blown AIDS.

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撒哈拉以南非洲地区仍是受艾滋病影响最为严重的地区：2007年，其艾滋病毒感染者人数和艾滋病患者死亡人数分别占各自所属人群总数的67％和75％。

Sub-Saharan Africa remains the most heavily affected, accounting for 67% of all people living with HIV and 75% of AIDS deaths in 2007.

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