Add Yahoo as a preferred source to see more of our stories on Google. Experts are warning that yellow fever — which hasn’t had a major outbreak in the U.S. since 1905 — could make a comeback. (Photo ...

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 ...

Yellow Fever virus is among the most dangerous pathogens circulating today. As many as half of hospitalized patients succumb to disease complications. The disease typically impacts tropical climates, ...