More than three-quarters of the population believe there should be a full public inquiry into the combined measles, mumps and rubella vaccine, according to a recent survey.
Some 76 per cent of the 1,001 people surveyed believe the facts about the controversial MMR jab, which has been blamed for a rise in autism and bowel disease in children, should be made public.
The ICM poll for the News of the World found that the number of parents who believe the jab is safe has fallen since the same question was asked last year.
Asked if they believed MMR was safe, 55 per cent said they did – down 11 per cent since August 2001 – 28 per cent said they were unsure while 17 per cent believed it was dangerous.
Parents’ groups advocating the use of single, separate vaccines welcomed the results.
Debbie Ryding, of Desumo Information & Healthcare Ltd, said: “I think most of the parents that come to us would be behind that.
“I certainly think it needs looking at. We have been asking as parents for long enough about these issues.”