Nigeria's economy, the next - largest in sub - Saharan Africa, is three times smaller.

尼日利亚的经济在此区域次之,但规模小了三分之二.

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Only 50,000 people with AIDS in sub - Saharan Africa were receiving antiretroviral treatment, he said.

萨哈拉沙漠以南地区的艾滋病患者只有5万人接受着抗逆转录病毒药物治疗.

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One reason is documented cases of gross medical malpractice in sub - Saharan Africa, mainly in the south.

原因之一是 撒哈拉 沙漠以南, 主要是在南部,医疗界里已证实的所有玩忽职守的案例.

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