February 3, 2015 7:18 PM EST

Senator Rand Paul tweeted a photo himself getting a booster vaccine Tuesday, a day after the Kentucky Republican’s remarks on mandatory vaccinations caused a media storm.

The likely 2016 presidential contender said during a CNBC interview on Monday that he’s “heard of many tragic cases of walking, talking normal children who wound up with profound mental disorders after vaccines.”

“There’s 400 headlines now that say ‘Paul says vaccines cause mental disorders,’” the libertarian told a New York Times reporter, whom he’d invited to document his Hepatitis A vaccine. “That’s not what I said. I said I’ve heard of people who’ve had vaccines and they see a temporal association and they believe that.”

Paul’s comments came amid an ongoing vaccine debate prompted by a worsening measles outbreak in the U.S. New Jersey Governor Chris Christie also received criticism on Monday for saying parents should have “some measure of choice” in vaccinating their children.

Many public figures have since joined the vaccine conversation following Paul’s comments, including presumptive Democratic nominee Hillary Clinton, who tweeted Monday, “The science is clear: The earth is round, the sky is blue, and #vaccineswork.”



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