BRITISH scientists are developing a revolutionary vaccine that works against all types of flu, the UK DAILY MAIL fronts on Friday. It would protect people against flu and a single jab could give lifelong immunity. Currently, new vaccines have to be developed each year. The major breakthrough has been made by the Cambridge biotech firm Acambis. When it announced the news yesterday the value of its shares jumped by 9p. Such a vaccine would be massively lucrative for its manufacturer. Each year, flu kills up to 12,000 people in the UK, many of them elderly. But experts have been warning...