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You're listening to Shortwave from NPR.

Hey, Shortwaver's, Regina Barber here.

So if you've been listening to us this past year, we've done stories about all the big and small ways Robert F. Kennedy, Jr. is changing how the United States approaches vaccines.

And this is all in his role as the Secretary of Health and Human Services.

But as Gabriella, Emmanuel will tell you in a sec, those changes aren't limited to the United States.

Definitely not.

So, Gabriella, as a global health correspondent at NPR, you've been keeping tabs on how this new HHS approach is changing the conversation around the world.

That's right.

And right off the bat, there are two clear examples I can give you where changes in the U.S.

are creating public health controversies elsewhere in the world.

Okay.

So the first one, RFK Jr. and his ultimatum to an international vaccine group called Gavi.

I've heard of Gavi.

They're a big player internationally.

And looking at their site, they say they vaccinated over 1.2 billion children and prevented

over 20 million deaths.

The U.S. is historically one of their biggest funders, right?

Yeah.

But last year, the Trump administration

...