Although the correlate of protection is unknown, the findings show that standard doses should be used in infants.

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 ...

The current yellow fever epidemic that has claimed hundreds of lives in Africa could exhaust vaccine supplies and catalyze a global health emergency, according to a viewpoint authored by two experts ...

Yellow fever is a viral illness spread by mosquitoes in some parts of Africa and South America. You can take a single-dose ...

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 ...

Costa Rica is intensifying its defenses against yellow fever as cases surge across Latin America, prompting heightened vigilance from national health authorities. The Pan American Health Organization ...

Encephalitis, Yellow Fever, Malaria Disease, Mayaro or Zika Virus Infected Culex Mosquito Parasite Insect Macro. [Courtesy/GettyImages] Kenya has recently experienced a worrying rise in mosquito-borne ...

SINGAPORE – While Singapore is free of yellow fever now, the country is still under threat from the viral disease, which like dengue is transmitted by the Aedes mosquito. Mr Pream Raj, acting director ...