If you plan on traveling abroad this summer, especially to regions within South America or Africa, it’s imperative to be aware of your risk of yellow fever, a potentially deadly flavivirus endemic to ...

Experts are warning that yellow fever — which hasn’t had a major outbreak in the U.S. since 1905 — could make a comeback. (Photo illustration: Yahoo News; photo: Getty Image) When you think of yellow ...

Mosquito-transmitted virus infections are on the rise and their spread is accelerating in Texas, Florida and elsewhere in the American South. With the rise of mosquito-borne illnesses, infectious ...

Researchers at Washington University School of Medicine in St. Louis have identified central routes that two deadly viruses take to invade human cells and have designed decoy molecules that block the ...

University of Queensland researchers have captured the first high-resolution images of the yellow fever virus (YFV), a ...

An ongoing outbreak of yellow fever in Colombia is sickening and killing rare and threatened monkey species in captivity, a new study shows. Between February and May 2025, authorities reported eight ...

Mosquito-transmitted viral infections are on the rise across the Gulf Coast. Local experts warn yellow fever could eventually reemerge in the Houston area. Yellow fever first devastated the southern ...

There are now more golden lion tamarins bounding between branches in the Brazilian rainforest than at any time since efforts to save the species started in the 1970s, a new survey reveals. Once on the ...