大英帝国又开始挑战人类极限实验了

[billwanhua]

UK scientists launch human challenge trial to study Covid reinfection

Human challenge trials are controlled studies that involve deliberately infecting participants with a pathogen or a bug to study the effects of that infection.

www.cnbc.com

虽然这个实验从道德方面来说有问题，但是对整个人类应该特别有意义，而且贡献比较大。
“This study has the potential to transform our understanding by providing high-quality data on how our immune system responds to a second infection with this virus,”