The advisory committee on immunization practices began a two-day meeting today to discuss and vote on various recommendations.

It's being watched closely because the committee was completely overhauled by health secretary Robert F. Kennedy Jr.

When he fired the previous members and replaced them, on the agenda, big questions about vaccines for hepatitis B

and the measles, mumps, rubella, and varicela. Allie Rogan has more. That's right, William.

Today, the committee met and took its first votes towards changing the schedule for childhood vaccines.

Just a short time ago, the committee voted to recommend against children under the age of four

getting the combined measles, mums, rubella, and varicella vaccine.

While many kids don't get the shot that way, it was part of a larger conversation today

about limiting access to some vaccines for some children.

Joining me now to discuss the meeting is Dr. Tom Frieden, president and CEO

of Resolve to Save Lives and former CDC director under President Obama. He's also the author

of the forthcoming book, The Formula for Better Health, How to Save Millions of Lives, Including

Your Own. Dr. Frieden, thank you so much for joining us. What is your reaction to

the changes that ASIP was discussing and voted on today?

There are a few things that were clear from today's meetings. The first, which was reassuring,

was that the CDC staff presentations were extremely high quality. They were what we've seen for year after year,

where we have some of the best vaccine scientists who dedicate their lives to protecting kids,

presenting really good information about what works and what doesn't. That was encouraging.

Less encouraging was the kind of questions and discussions from the current members of the committee,

some of whom were very clear and very focused and scientific, some of whom seemed to dismiss

data and say, you know, it's not about the data, it's about trust, it's about safety, it's about

concerns. So the process was concerning. The voting was actually quite confusing, so much so that one of the

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