Gabrielle Emanuel

In the wake of the U.S. withdrawal from WHO, California is the first state to participate in the agency's disease monitoring network. Are others following?

The U.S. is giving $1.6 million to researchers to study how the hepatitis B vaccine affects newborns in Guinea-Bissau. After an outcry, the future of the trial is up in the air.

The U.S.'s break from the World Health Organization is almost finalized. But the details of the breakup are complicated - as are the post-divorce dynamics.

The U.S. is the only country allowed to withdraw from the World Health Organization. And Jan. 22 is the day when Trump's pullout announcement is supposed to go into effect.

Bushra Mahnoor remembers the shame she felt when she had her period as a teen and did not have the supplies she needed. Today she leads a campaign to lower prices for pads in Pakistan.

The Trump administration is withdrawing from 66 global groups, including U.N. entities that focus on climate and health issues.

CDC releases latest numbers on flu outbreak across the US. New cases are accelerating - and hospitalizations are up. Gabrielle discusses how helpful the vaccines are and what people can do to protect themselves from a bad case of the flu. Two Way Emanuel/Davis

Flu season is off to a rough start this year, according to new CDC data. The virus is spreading faster than in previous years and the surge is likely to get worse. Here's what you need to know.

Historically, the U.S. had been the top donor for global health. That changed dramatically this year. We look at the new approach the U.S. is pursuing and what this has meant for people on the ground.

Bird flu, or H5N1, has touched most of the globe, but there is one spot it hasn't reached. Researchers down under are preparing for it, but gaps in bird flu surveillance elsewhere makes it difficult.