Yellow fever Because of this sylvatic cycle, yellow fever cannot be eradicated except by eradicating the mosquitoes that serve as vectors. In Africa, a third infectious cycle known as "savannah cycle" or intermediate cycle, occurs between the jungle and urban cycles. Different mosquitoes of the genus "Aedes" are involved. In recent years, this has been the most common form of transmission of yellow fever in Africa. Concern exists about yellow fever spreading to southeast Asia, where its vector "A. aegypti" already occurs. After transmission from a mosquito, the viruses replicate in the lymph nodes and infect dendritic cells in particular. From there,
Yellow Fever Commission "Yellow Jack", a 1938 movie presenting the same narrative. Yellow Fever Commission The Yellow Fever Commission was a research team of the United States Army which researched treatment for yellow fever. The research process itself became a focus of study for later generations. A United States nurse named Clara Maass and two Spanish immigrants were among those who died as a result of their research participation. Researchers mark the research of the Yellow Fever Commission as the origin of the model of modern consent in medical research. The 1934 play "Yellow Jack" told the story of Walter Reed in the