Yellow fever is a dangerous mosquito-borne virus that, for hundreds of years, has caused sporadic, deadly outbreaks in the tropics of South America, Central America, and Africa. According to a new ...

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

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 ...

Yellow Jack. Saffron Scourge. When yellow fever shows up in the Americas, tens of thousands fall. It's a disease that once plagued coastal cities in the United States from New Orleans to Boston. New ...

The Pan American Health Organization (PAHO) has issued a new Rapid Risk Assessment (RRA) on yellow fever in the Americas which shows that the risk to public health remains high due to continued human ...

University of Queensland researchers visualized yellow fever virus particles at near-atomic detail, uncovering major structural differences between vaccine and virulent strains. The insights could ...

Colombia’s health ministry declared a nationwide health emergency on Thursday due to the “active circulation” of yellow fever. Since September 2024, there have been 75 recorded cases of yellow fever ...

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 ...

In 1855, the nation turned its attention in shock toward the tragedy unfolding in Norfolk and Portsmouth. The American public clamored for fresh reports about the latest death tolls in the Virginia ...

Systematic review finds lifelong immunity from a single yellow fever vaccine, with rare cases of breakthrough infections. Study: Yellow fever breakthrough infections after yellow fever vaccination: a ...