![Anti-vaccine activist Robert F Kennedy jnr challenging Joe Biden in 2024](https://cdn.newsserve.net/en/knowledge/Robert-F-Kennedy_20190129.jpg)
Anti-vaccine activist Robert F Kennedy jnr challenging Joe Biden in 2024
More than 15 years ago, Kennedy became fixated on a belief that vaccines are not safe. He has since emerged as one of the leading voices in the anti-vaccine movement.
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