Teixeira, M. da G.; Costa, M. da C.N.; Guerra, Z.; Barreto, M.L.
Dengue Bulletin 26: 70-76
2002
Successive epidemics of dengue have been occurring in Brazil since 1986 and almost three million cases of dengue fever (DF) and 2229 cases of dengue haemorrhagic fever (DHF) had already been recorded till 15 September 2002. The introduction of the three serotypes in circulation (DEN-1, DEN-2 and DEN-3) has always started in Rio de Janeiro.