UK coronavirus vaccine shows early promise

Oxford University scientists say experimental vaccine prompts a protective immune response in its first human trial.

Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds of people who got the shot.

Wafaa El-Sadr, Professor of Epidemiology and Medicine and Director of ICAP (formerly the International Center for AIDS Care and Treatment Programs) at Columbia University’s Mailman School of Public Health, talks to Al Jazeera.