Scientific information on the US Centers for Disease Control and Prevention’s website was replaced Wednesday with anti-vaccine talking points that don’t rule out a link between vaccines and autism, despite an abundance of evidence that there’s no connection.

A previous version denied a link between vaccines and autism. It now echoes the doubts about that conclusion voiced by Health Secretary Robert F. Kennedy Jr.

What if childhood vaccines — particularly the combined measles-mumps-rubella vaccine — cause autism? Nearly three decades later, the debunked theory has gained renewed prominence in parallel with the rise of Robert F.