Senator Cassidy “ultimately provided the one-vote margin needed to advance Kennedy’s nomination to the full Senate,” as the Los Angeles Times had reported.

Defending his vote to confirm Kennedy, Senator Cassidy said the scion of the American political family had made assurances to him that convinced him to support his nomination.

Cassidy “said he was swayed by Kennedy’s commitments to support the immunization schedules recommended by the Centers for Disease Control and Prevention, maintain systems used to vet new vaccines and monitor their safety, preserve statements on the CDC website assuring the public that vaccines don’t cause autism, and meet with Cassidy ‘multiple times a month,’ among other things.”

“I will watch carefully for any effort to wrongfully sow public fear about vaccines,” Cassidy said.

STAT News reported that Senator Cassidy “said he would be Robert F. Kennedy Jr.’s keeper.”

Over the weekend, Cassidy was sharply criticized—and blamed—when HHS forced out Dr. Peter Marks, the head of the U.S. Food and Drug Administration division responsible for assuring the safety and effectiveness of vaccines, as CNN reported. Dr. Marks resigned but was “given the choice to resign or be fired.”

On Tuesday, The Hill reported that Kennedy “won’t acknowledge the scientific consensus that childhood vaccines do not cause autism.”

“That skepticism over seemingly settled science appeared to come to a head over the weekend when the Food and Drug Administration’s (FDA) top vaccine official was forced out and issued a fiery public letter blasting Kennedy.”

That official was Dr. Marks.

Cassidy appeared to express concern, but nothing more.

“I thank Dr. Marks for his dedicated service to the health of our country,” the Senator wrote. “His departure is a loss to the FDA. Commissioner Makary and Secretary Kennedy should replace him with someone of similar stature and credibility amongst the scientific community, who will lead without bias.”

Tuesday afternoon, CNN’s Manu Raju reported that he asked Cassidy about the firings of 10,000 HHS employees.

“I’m trying to understand it,” Cassidy said. “They say that they are consolidating duplicative agencies.”

Asked if he supports the firings, Cassidy replied: ‘Like I said I’m investigating.”

Back in January, Cassidy had asked RFK Jr. if he could “trust” him, as Politico reported.

Asked “if he thinks RFK Jr is backsliding on his commitments,” Raju reported, Cassidy said: “We’re in dialogue about that.”

Kennedy had told Cassidy that he was “not going to go into HHS and impose my preordained opinions on anybody at HHS. I’m going to empower the scientists to do their job.”

Many of those scientists were fired on Tuesday at 5 AM.

MSNBC analyst and Mother Jones Washington Bureau Chief David Corn blasted Cassidy, writing: “Sen. Bill Cassidy, you violated the Hippocratic oath when you supported RFK Jr.’s nomination and you own this—and all the horrific consequences to come.”

Corn added a screenshot of a post from a popular epidemiologist, Katelyn Jetelina, detailing a few of the consequences of Tuesday’s firings.

Cassidy also came under fire on Tuesday for telling CNBC, “Is there some way that we can cut Medicare—excuse me—reform Medicare—so that benefits stay the same, but that it’s less expensive, more efficient?”

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