A few quotes from the sites:
"The Science Museum investigates
There are plenty of voices shouting about the safety of the MMR vaccine and trying to guide you through the maze - but it isn't easy to tell the red herrings and dead ends from the best way forward. We found the same as we waded through the MMR controversy to get to the bottom of who's saying what and why."
"Are you so confused by the whole MMR issue that you no longer know which options are best for your child? We spoke to plenty of puzzled parents when planning what to include in this exhibition."
"Pinning the blame on a vaccine for something that can happen to children anyway is extremely tough to do, unless there's a sudden surge of cases as the vaccine's introduced. This wasn't the case for epilepsy and the pertussis vaccine, nor is it true today for autism and the MMR vaccine."
"The argument that single jabs would give fewer side effects is suspect. Andrew Wakefield, the scientist at the heart of the MMR scare, identifies the measles virus as the real rogue amongst MMR's ingredients. He believes it's the measles component of MMR which damages children's bowels and that this is what causes autism. If this is true then it's possible that even a single measles injection could have the same effect."
"'The words "MMR" and "autism" crop up often enough in the media to make people think that there's an association between them, even though no link has been proven. People have an understandable tendency to absorb this kind of association, simply because they hear it repeated so often in the media.'
Justin Lewis, Cardiff University"
"The first thing you'd expect to see is a sudden surge of bowel disease and autism from 1988, when the MMR vaccine was introduced in the UK. You'd also see increased evidence of parents of autistic children bringing their worries to the GP shortly after the vaccination was given. And if the theory of MMR causing regressive autism holds water, you'd expect more regressive cases since 1988.
In fact, none of these things have happened."