Coronavirus vaccine: WHO to issue guidelines on proposed use of human challenge trials

The World Health Organisation (WHO) is planning to issue guidelines this month on a controversial approach to artificially expose volunteers to the coronavirus that causes Covid-19 in a bid to speed up the process of developing a vaccine.With pressure mounting to produce a vaccine for the deadly disease, some scientists and activists are advocating the use of human challenge trials (HCT), in which healthy, young volunteers are injected with the virus to test the efficacy of vaccine candidates…

Read the original article at South China Morning Post