How COVID 19 human challenge trials work and why I volunteered, Sophie Rose

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. In April 2020, epidemiologistintraining Sophie Rose volunteered to be infected with the virus that causes COVID19. As a young, healthy adult, she s offering to take part in a human challenge trial, a study where participants are intentionally exposed to SARSCoV2 to test vaccines and gather critical data. Explaining how challenge trials could speed up the development of ef