医学研究界的金标准—随机试验—几乎不可能完成：妇女不可能接受研究人员关于她们应该在哪里生产的武断指示。
Randomised trials, which are the gold standard in medical research, will be tricky to impossible: women are unlikely to accept a researcher’s arbitrary instruction about where they should give birth.
指示性病例是一位40岁女子，她于2011年1月17日出现症状，2011年2月1日经阿比让巴斯德研究所采用免疫酶联试验（ELISA）检测IgM抗体呈阳性反应。
The index case was a 40 year old female, who developed symptoms on 17 January 2011 and tested positive for IgM by ELISA test conducted by Institut Pasteur in Abidjan on 1 February 2011.
做个小试验，现在严格遵照我的指示：我现在禁止你想象一头紫色的大象。
Try this now, following my instructions exactly: I now forbid you to imagine a purple elephant.
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