A version of this story appeared in the October 12 edition of CNN's Coronavirus: Fact vs. Fiction newsletter. Tens of thousands of people have signed up to take an experimental vaccine candidate and then face the coronavirus in a controlled setting, Mick Krever, Phil Black and Cristiana Moisescu report"The risk to me is tiny. But unlike for those diseases, there's no completely effective treatment for Covid-19, should the experimental vaccine fail. The UK government said that it is in active conversations to collaborate on such a trial, which would be the first in the world for Covid-19 . Already, several big vaccine developers -- among them AstraZeneca, Sanofi and BioNTech -- have said that they have no interest in participating.

Source: CNN October 12, 2020 11:03 UTC