Ari Daniel

As polio makes a comeback, Minda Dentler reflects on her life with the disease. Paralyzed as an infant in India, she's gone on to become a champion wheelchair triathlete and an immunization advocate.

Shortly after Russia's invasion, we heard from a Ukrainian neurologist about how she was able to continue her practice. Over the last 6 months, her work has changed significantly.

Dr. Aleksandra Shchebet fled Kyiv but resolved to help any way she could, from virtual visits to packing medical supplies. Now she's back home, tending to patients who are deeply affected by the war.

Polio is spreading in a few New York counties with low vaccination rates. Experts warn that other places in the U.S. could face the same challenge.

In two New York counties, city health officials have been tackling a worrying trend: polio samples showing up in wastewater. In one county, a young adult became sick and paralyzed from the disease.

That's how neuroscientist Meg Younger describes her team's findings about how skeeters hone in on human aromas. And that could lead to better ways to keep us bite- and disease-free.

Two new studies draw on data from more than 12,000 patients to help figure out ways to battle antibiotic-resistant tuberculosis.

The Biden administration is allowing the shot to be given between layers of skin — a method that only requires a fifth of the full dose — in order to increase vaccinations and slow the outbreak.

The World Health Organization has declared monkeypox a public health emergency of global concern. Here's what that means and where the U.S. stands in terms of treatments and vaccines.

Global health meetings are often held in the West — and that's an obstacle for scientists, doctors and advocates from lower resource countries. Which means their voices aren't being heard.

Researchers have solved an ancient mystery — what killed a group of prehistoric frogs. Prior research blamed lack of oxygen or dried up lakes, but the true culprit was a swamp mating death trap.

Researchers have found that certain viruses may have a trick up their sleeve that can make humans more attractive to mosquitoes. The study also revealed a possible remedy.

A school in southeastern Massachusetts latches onto a novel program that uses canines to sniff out COVID on surfaces. The idea is to help protect kids from the virus and keep the school open.

A Massachusetts elementary school welcomes COVID-sniffing dogs. The animals were trained to detect COVID based on research showing that dogs could find a fungus on trees before the trees got sick.

James Kagambi is a 62-year-old former teacher and a top mountaineer. He's also the first Kenyan to summit Mount Everest, and talks about why this is an key milestone for Black and African climbers.

"We wanted to show the world that people of color can do something like this," says James "KG" Kagambi. He's a great believer in lessons learned from the outdoors — and glad his achy knees made it!

The vaccine couldn't have come at a more critical time, with a surge in cases and deaths from malaria during the pandemic. But its efficacy — and its schedule — are far from ideal.

Countries in Africa, the Middle East and parts of Asia are counting more cases of vaccine-derived polio. One reason for this, say experts, is that vaccination efforts have lapsed during the pandemic.

Countries in Africa, the Middle East and parts of Asia are counting more cases of vaccine-derived polio. Researchers are developing a new vaccine to try to end the spread of the wild type of virus.

It was a sunny day in mid-March. The sky was blue. It felt like spring. Then the attack began on City Hospital No. 2. Doctors tell what it was like — and what's going on now.