Yellow fever appeared in the U.S. in the late 17th century. The deadly virus continued to strike cities, mostly eastern seaports and Gulf Coast cities, for the next two hundred years, killing ...

A Harvard scientist, Max Thieler, showed in 1930 that mice were susceptible to the yellow fever virus. Using mouse and chick embryos, Thieler later developed the most effective vaccine against ...

Also known as breakbone fever, dengue fever is a viral illness primarily spread by the Aedes aegypti mosquito, commonly known as the yellow fever ... With four dengue virus strains, this means ...

After approximately half a century of epidemiological silence, the yellow fever virus was detected again in 2000, in the state of São Paulo. Since its reintroduction, four outbreaks have been ...