The problem is compounded by African patients being treated with drugs tested on non-African populations.

而因非洲患者所用的药不是在非洲人群中测试的，患病人数还会再度增加。

But this year, two drugs tested during the Ebola outbreak in the Democratic Republic of the Congo, dramatically increased a patient's chance of survival.

但是今年，在刚果民主共和国爆发的埃博拉疫情中测试的两种药物，极大地增加了病人的生存机会。

But think about the dangerous message it sent, that black people's bodies are so substandard, a drug tested in them is not guaranteed to work in other patients.

但是想想，这传递的是多么危险的信号：黑人的身体标准是如此的低，在他们身上测试过的药品都不能保证能在其他人身上起作用。

Medical researchers, by contrast, take great care to make drug trials " blind" , so that neither the patient nor the administering doctor knows who is receiving the drug being tested, and who is getting a control drug or placebo.

相比之下，医学研究者非常注意使药物试验" 不透明" ，所以病人和用药的医生都不知道接受药物测试的是谁，和控制药物和安慰剂的是谁。