Abstract
Arboviruses are zoonotic RNA viruses in the families Togaviridae, Flaviviridae, Bunyaviridae, Reoviridae and Rhabdoviridae, transmitted in nature in complex cycles that include arthropod vectors. The emergence and reemergence of arboviruses are related with such complex variables as high mutation rates, natural selection by evolutive bottlenecks happening both in vertebrate and invertebra…