MADISON, Wis. (WRN) — Wisconsin’s Department of Health Services is rebutting debunked claims linking childhood vaccines with autism.

The website of the Centers for Disease Control and Prevention now says a link between vaccines and autism cannot be ruled out – a reversal from the CDC’s longstanding stance that there is no link. Even though a connection between vaccines and autism has long been debunked by research, HHS Secretary Robert F. Kennedy Jr. has long promoted the discredited claim.

In a statement, Wisconsin DHS Secretary Kirsten Johnson calls the CDC claims “a fundamental distortion of science and the truth.”