A species of invasive, "aggressive" mosquitoes known for transmitting yellow fever is spreading in California, according to local health officials. Multiple counties across the state, including Contra ...

Why can the human immune system often remember a vaccination for a whole lifetime? Researchers at ...

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 ...

In 1900, Dr Jesse Lazear died after being bitten by a mosquito carrying yellow fever, helping prove the disease was mosquito-borne. His sacrifice confirmed Carlos Finlay’s contested theory, overturned ...

This is the first time a complete 3D structure of a fully mature yellow fever virus particle had been recorded at near-atomic resolution, revealing differences between the vaccine and pathogenic ...

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 and El Salvador have taken a key step in modernizing public health by issuing the first digital yellow fever vaccination certificates in the Americas. This move, backed by the ...