COVID-19

WHO's Science in 5 on COVID-19 – Vaccine trials

Episode #13

Science in 5 is WHO’s conversations in science. Watch WHO experts explain science related to COVID-19.
Learn what scientists look for in the different phases of a clinical trial for a vaccine. What does it mean when a vaccine trial is halted due to an adverse event? WHO’s Dr Kate O’Brien explains in Science in 5 this week.