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  1. Yellow fever (YF) is a viral disease, endemic to tropical regions of Africa and the Americas. YF principally affects humans and nonhuman primates, and is transmitted via the bite of infected mosquitoes. The agent of YF, yellow fever virus (YFV), can cause devastating epidemics of potentially fatal, hemorrhagic disease.

  2. 14 de may. de 2012 · Yellow fever virus (YFV) is the prototype of the genus Flavivirus of the family Flaviviridae and causes yellow fever (YF) disease. In human infections, the symptoms range from asymptomatic or mild characteristics to a hemorrhagic syndrome that can potentially lead to a fatal outcome with organ failure.

  3. In the Americas, YFV transmission occurs mainly via the sylvatic cycle, in which nonhuman primates (NHPs) are infected by tree-dwelling mosquito vectors such as Haemagogus spp. and Sabethes spp. ( 10, 11). YFV transmission can also occur via an urban cycle, in which humans are infected by Aedes spp. mosquitoes that feed mostly on humans ( 12, 13 ).

  4. 13 de feb. de 2022 · It is a small, enveloped virus with a genome consisting of a positive-sense single-stranded RNA of about 11 kb, encoding a single polyprotein flanked by two untranslated regions (UTR) (5′UTR and 3′UTR).

  5. 24 de jun. de 2022 · Abstract. Yellow fever is an infectious disease caused by yellow fever virus (YFV), Flavivirus genus of the Flaviviridae family, which is endemic in South America and Africa, and periodically has caused limited outbreaks or large epidemics in the endemic regions. Download chapter PDF. Similar content being viewed by others.