An Oxford professor says she is “80%" confident the coronavirus vaccine she is working on will be successful - and could be ready by September. Sarah Gilbert, a professor of vaccinology, is leading a team of researchers and said they have a potential vaccine that is due to begin human trials within two weeks. In an interview with The Times, Prof Gilbert said the autumn timeframe is “just about possible if everything goes perfectly”. She added: "It's not just a hunch and as every week goes by we have more data to look at. I would go for 80%, that's...