In September the AIDS community took a devastating blow when Merck halted an international human trial of the world's most promising potential vaccine against HIV.
今年9月，艾滋病研究因默克公司终止了世界上最有希望抵御艾滋病的疫苗的国际人体试验而遭受重大挫折。
Even if the study provided positive results on all fronts, a human trial would carry risks.
即使这项研究在各方面的结果都是积极的，在人身上试验仍然可能有风险。
Belgian researchers have tested the drug on roundworms, and have had positive results so the next step is to do a human trial.
比利时研究者已将该药物在蛔虫身上进行了试验，取得了积极的效果，下一步就是人体试验。
If the study of human trial is successful, will affect tens of millions of diabetes patients around the world, and will greatly reduce the cost of treatment of this disease.
如果这项研究的人体试验获得成功，将影响到全世界上千万糖尿病患者，并将大大降低这种疾病的治疗费用。
It was nearly a decade in the making, but the first human trial using embryonic stem cells was approved on Friday.
对胚胎干细胞的试验已经经历了十年时间了，但是对人类首次胚胎干细胞的试验在星期五刚刚被正式批准。
It was nearly a decade in the making, but the first human trial using embryonic stem cells was approved on Friday.
对胚胎干细胞的试验已经经历了十年时间了，但是对人类首次胚胎干细胞的试验在星期五刚刚被正式批准。
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