Gabrielle Emanuel

After small pox was eradicated and vaccinations against the disease came to an end, people in parts of Africa started getting sick with something rarely seen before - mpox. Researchers eventually realized that with the end of smallpox vaccinations, any immunity to other pox viruses such as mpox went away. They say this helps to explain why there are historically high numbers of mpox cases in the world today. Reporter: Gabruelle; Editor: Davis; Digital: Pub'd ATC wants to run week of 11.25.

Earlier this year, a surprising story emerged about RFK Jr. — the newly named nominee for secretary of the Department of Health and Human Services — and a parasitic brain worm.

The anti-malarial drug Artemisinin is highly effective. It's critical for kids, who are especially vulnerable. A new study comes to an alarming conclusion.

Global pandemic treaty negotiators are hashing out cooperation plans this week and considering rushing the process out of fear that the Trump administration would pull the U.S. out of negotiations.

The Marburg virus is notable for its very high fatality rate. But in the current Marburg outbreak, in Rwanda, the fatality rate is far lower than normal.

The death rate for Marburg virus can be as high as 90%. There are no approved vaccines and treatments. So how did Rwanda achieve what one doctor calls an "unprecedented" success in controlling its outbreak?

New reports from Physicians for Human Rights and Doctors Without Borders document a "massive influx" of sexual violence in the eastern Democratic Republic of Congo. What can be done to stop it?

Wiping out smallpox had an unintended consequence: the rise of mpox in the past few years. Here's the story — starting with patient zero for mpox back in 1970.

Marburg is one scary disease. The fatality rate can be as high as 88%. There's no approved vaccine — yet. With one of the world's largest outbreaks, Rwanda is now testing a promising new vaccine.

High levels of lead were found in a surprisingly large number of Bangladeshi kids in New York City — and in pregnant women in Bangladesh. Could there be a common cause?