Inside Oxford’s Push For ‘Challenge Trials’ Amid Race For Coronavirus Vaccine | NBC Nightly News

Scientists at University of Oxford, developing one of the most promising vaccine candidates so far, are calling for trials where all volunteers are given the vaccine and then infected with the virus. Some say the trial could be done with a smaller group and can quickly determine whether a vaccine stops COVID-19. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews

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Inside Oxford's Push For 'Challenge Trials' Amid Race For Coronavirus Vaccine | NBC Nightly News