Life-saver Baruch Blumberg (Image: Roger Highfield) The life-saving shot (Image: Image Source / Rex Features)
A vaccine invented 40 years ago by Baruch Blumberg has prevented millions of deaths from hepatitis B and liver cancer.
How effective has vaccination been?
Where national vaccination programmes have been introduced it has been remarkably successful. In China the drop in prevalence has been dramatic, from around 15 per cent to fewer than 1 per cent in less than a decade. There’s a similar pattern in other regions. But there are places where these campaigns are not effective, such as some regions of Africa.…
