How COVID-19 human challenge trials work -- and why I volunteered ｜ Sophie Rose ｜ TED https://diler.tube/videos/watch/6d865ddf-692c-4c48-bcb6-fe4bd03a565f In April 2020, epidemiologist-in-training Sophie Rose volunteered to be infected with the virus that causes COVID-19. As a young, healthy adult, she's offering to take part in a human challenge trial, a study where participants are intentionally exposed to SARS-CoV-2 to test vaccines and gather critical data. Explaining how challenge trials could speed up the development of effective vaccines, Rose shares why volunteering was the right decision for her. Author: TED Sat, 23 May 2026 17:09:29 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diler.tube How COVID-19 human challenge trials work -- and why I volunteered ｜ Sophie Rose ｜ TED https://diler.tube/lazy-static/avatars/f58b270a-6076-478a-ad43-3888a532ecb4.png https://diler.tube/videos/watch/6d865ddf-692c-4c48-bcb6-fe4bd03a565f All rights reserved, unless otherwise specified in the terms specified at https://diler.tube/about and potential licenses granted by each content's rightholder.