By Ian Bush

By Ian Bush

PHILADELPHIA (CBS) — The anti-vaccine movement got a shot in the arm in the late 90s, when a medical journal published a paper claiming the Measles Mumps Rubella inoculation caused autism. It was discredited, but some people remain unconvinced by the science.

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Dozens of studies, hundreds of thousands of kids who did and didn’t get the shot — the finding, across the board?

“The MMR vaccine doesn’t increase your risk of autism — not at all,” Dr Paul Offit says. Offit is Professor of Pediatrics in the division of Infectious Disease at Childrens Hospital of Philadelphia.

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He says look back to diabetes debate a century ago: “There were all these fanciful notions of cause and cure.”

Until: insulin. “And all that went away,” says Offit. “I don’t think any of this is going to go away until there’s a clear cause or causes for autism or cures.”

It’s dangerous, Offit says, to play politics with a medical matter. “The argument that they’re making is that it’s my right to have my child catch and potentially transmit what could be a fatal disease,” he says. “I think our civil liberties end certainly well before that.”

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At current infection rates, he says we could see measles deaths before the end of the year.