Health and Human Services Secretary Robert Kennedy Jr. promised during his confirmation hearing that he’s not anti-vaccine.

But in another Senate hearing Thursday he will have to answer for a series of dramatic steps that cast doubt on his word — and threaten to destroy health protections that have saved millions of lives.

Since becoming America’s top health official, Kennedy has purged top government vaccine experts , fired the director of the Centers for Disease Control and Prevention and terminated research on some lifesaving vaccines .

The national pro-vaccine consensus that has improved life expectancy over generations has splintered. On Wednesday, for example, Florida moved to end constitutionally upheld vaccine requirements for school kids and three Democratic-run state

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