If there's anyone who knows a thing or two about vaccines, it's CHOP Vaccine Education Center director Paul Offit, and not just because he co-invented one of the most successful rotavirus vaccines in existence. So really, there's no better person to take on the latest spate of anti-vaccine fervor we've seen pop up in the press lately—and no better venue than The Colbert Report.

Offit stopped by Colbert last night to discuss parents refusing to vaccinate their children due to the fear that they may develop autism as a result. Basically, just think about anything Jenny McCarthy has spouted off about the topic recently, and that's what Offit argues against.

After all, without those vaccines, Offit said, parents choosing to not vaccinate their children are essentially putting them at risk for the diseases they'd otherwise be protected from. As Colbert says, Offit's argument is more or less playing the "longer, healthier, better lives" card.

This latest appearance is actually Offit's second on Colbert, with the doc having appeared on the show back in 2011 to discuss the same topic, though framed around his book, Deadly Choices: How the Anti-Vaccine Movement Threatens Us All.

Check out the video below:

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[Comedy Central]