Yellow fever is a mosquito-borne viral disease, primarily transmitted by day-biting mosquitoes. Twenty-seven African countries and 13 Latin American countries are classified as high-risk for yellow ...

Since its first documented case in the 17th century, a great mystery surrounded yellow fever. What was its cause? Theories included "fomites" — contaminated objects like clothing and bedding from ...

Yellow fever is a viral disease that is spread to humans through the bites of infected mosquitoes. The symptoms range from mild fever-like aches and pains to severe liver disease with bleeding, often ...

On August 21, 1793, prominent Philadelphia physician Benjamin Rush alerts the city's mayor that an epidemic of yellow fever was fast emerging. By the time the epidemic ended, some 5,000 people had ...

A next-generation, live-attenuated yellow fever vaccine, vYF, was developed in Vero cells to improve vaccine supply and availability. The safety of and immune response to vYF as compared with those of ...

Rain may bring disease-carrying mosquitoes. But the lack of it could have been a factor that led to the first urban yellow fever outbreak in Brazil in decades. In 2015, an El Niño powered an ...