A ‘human challenge’ study would involve exposing perhaps 100 healthy young people to the coronavirus and seeing whether those who get the vaccine escape infection. Plus: UK prime minister Boris Johnson has tested positive for coronavirus, and Neanderthals enjoyed a nice bit of fish.

中文翻译：

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每日简报：一项彻底的建议，用冠状病毒感染健康人以测试疫苗

一项“人类挑战”研究将涉及使大约100名健康的年轻人暴露于冠状病毒中，并观察接种疫苗的人是否逃脱了感染。另外：英国首相鲍里斯·约翰逊（Boris Johnson）的冠状病毒检测结果呈阳性，尼安德特人（Neanderthals）的鱼也不错。