Yellow fever cycle, both in Africa and South America, a sylvatic cycle (forest or jungle cycle) is present, where "Aedes africanus" (in Africa) or mosquitoes of the genus "Haemagogus" and "Sabethes" (in South America) serve as vectors. In the jungle, the mosquitoes infect mainly nonhuman primates; the disease is mostly asymptomatic in African primates. In South America, the sylvatic cycle is currently the only way humans can become infected, which explains the low incidence of yellow fever cases on the continent. People who become infected in the jungle can carry the virus to urban areas, where "A. aegypti" acts as a vector.
Yellow Fever (play) Yellow Fever (play) Yellow Fever is a play by R. A. Shiomi which takes place on Powell Street in Japantown, Vancouver, a gathering place for the local Japanese-Canadian culture. Set in the 1970s, the Sam Spade-like main character, Sam Shikaze, must work to unravel the mysteries that surround him. First produced by the Pan Asian Repertory Theatre in 1982, it received positive reviews and had a successful run off-Broadway. Sam Shikaze, a smooth private-eye, narrates his own story about what happened when he was hired to find the missing Cherry Blossom Queen. He is soon trapped in a web of