Tag archives: Human challenge trials

?Human challenge trials,? where healthy volunteers would be exposed to Covid-19, explained

?Human challenge trials,? where healthy volunteers would be exposed to Covid-19, explained
Human challenge studies are commonly conducted with less lethal diseases like malaria or schistosomiasis. My colleague Kelsey Piper interviewed John Beshir, a volunteer in a malaria vaccine trial, last year; Beshir is an active donor to anti-malaria charities and saw his volunteering as an extension of his monetary support for the cause.