Influenza B viruses are undergoing a period of antigenic and genetic expansion, with several reassorted viruses emerging that also contain point mutations in key hemagglutinin antigenic sites proximal...

Lyme carditis represents a rare cardiac complication of Borrelia burgdorferi infection, often causing conduction disturbances but rarely causing malignant arrhythmias. Inflammatory acute coronary synd...

Humans may finally catch up to pets when it comes to tick protection.

Measles, not Ebola, is the top health threat at the 2026 FIFA World Cup, say health officials. The U.S. has 2,104 cases in 2026. Here's the risk and how to protect yourself.

We talk with science writer Shayla Love, who warns that a warming planet might be making microorganisms mutate in a concerning and even deadly way.

Mosquitoes kill more people than any other creature in the world, spreading diseases like dengue, West Nile, Zika, chikungunya and malaria.

When people recover from viral diseases, they make antibodies that can then be transferred to other affected individuals. Enter convalescent plasma.

NPR's Eyder Peralta speaks with immunologist Nicole Baumgarth about why ticks are spreading to new regions, and what this increase in ticks could mean for the spread of Lyme disease.

The bacterium, which can cause more severe symptoms, has been detected only in the Upper Midwest.

A study published in May 2026 in the Proceedings of the National Academy of Sciences reports a finding that complicates the standard one-line version of the dinosaur extinction. Two researchers at the...

As the weather warms up, scientists have a dire warning before you head outdoors.

The Maryland Department of Health is monitoring two Maryland residents who were potentially exposed to hantavirus while sharing a flight with an infected passenger abroad. The person had been aboard t...

Experts break down the real risks of the disease and what the general public needs to know right now.

Changing weather patterns are helping ticks survive and spread into new regions, driving higher rates of Lyme disease and other infections, and raising concerns for people who spend time outdoors.

Struggling to remember why you picked a career in science? Here are some heart-warming tales to jog your memory.