Gabrielle Emanuel

The territory hasn't had any polio cases for 25 years but this suggests the virus is spreading. Polio experts are scrambling to figure out the origins and whether or not there are active cases.

Vaccination rates took a hit during the pandemic — and they've not really recovered, according to a new report from the World Health Organization. But ... look at Ukraine!

On Monday, Gambian lawmakers rejected a bill that would have overturned its ban on female genital mutilation. The vote marks a victory for women's rights activists and comes after months of intense debate.

The Americas has made extraordinary progress, mainly by vaccinating canines. Asia and Africa —- where 95% of rabies cases happen —- have two obstacles to progress.

The U.S. is seeing a surge in avian flu. It's in chickens and cows and even sickened a few humans. Here's how other countries have dealt with the virus.

A surprising outcome of the COVID pandemic has been the rise of antibiotic-resistant infections. How did that happen?

The pills for adults and school-aged kids aren't the right dose for preschoolers. Plus they taste bad. Now there's a new pill for little ones — but it seems like an uphill battle to get it to them.

Presidential candidate Robert F. Kennedy Jr. spoke about a time when, as he put it, "A worm ... got into my brain and ate a portion of it and then died." Here's a global perspective on these worms.

With nearly 5,000 cases reported so far this year — and concerns about a new strain — the Democratic Republic of Congo is considering the declaration of a public health emergency.

We asked folks whose job it is to make the world a better place: How do you find the inner strength to keep plugging away in tough times? And what advice do you have for fledgling activists?