
Sir John Bell, a professor at Oxford University in the U.K., told CNBC on Wednesday he was confident that Covid-19 vaccines could be retooled to provide effective protection against future coronaviru… [+3510 chars]

Sir John Bell, a professor at Oxford University in the U.K., told CNBC on Wednesday he was confident that Covid-19 vaccines could be retooled to provide effective protection against future coronaviru… [+3510 chars]