Abstract
Both dengue viruses (DENV) types 1 and 2 were introduced in the State of Rio de Janeiro (RJ) in 1986 and 1991, respectively. Since then, they have spread throughout Brazil and became endemic in most areas infested with Aedes aegypti. DENV-3 was introduced in 2001, also in the State of RJ, and DENV-4 was documented in the State of Amazonas in 2008. Therefore, elucidating the temporal and s…