Massachusetts Gov. Maura Healey blasted Robert F. Kennedy Jr. and other federal officials after the Centers for Disease Control and Prevention's website was changed to contradict the longtime scientific conclusion that vaccines do not cause autism.

The CDC “vaccine safety” webpage was updated last week, saying “the statement ‘Vaccines do not cause autism’ is not an evidence-based claim.”

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The change is the latest move by the U.S. Department of Health and Human Services to revisit — and foster uncertainty about — long-held scientific consensus about the safety of vaccines and other pharmaceutical products.

“It is disturbing and sad to witness the federal government undermining the very foundation of publ

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