It’s Not Clear That We Actually Need Human Challenge Trials for COVID-19, But the U.K. Is Moving Ahead With Them Anyway
On Feb. 17, health officials in the UK announced that they are ready to start exposing healthy volunteers to the COVID-19 virus in a carefully controlled study. The so-called human challenge trial is the first of its kind for COVID-19 and will help scientists learn how much virus is needed to cause infection, among other … Read more