t malaria transmission
in the Amazon region in 1990 were Rondonia (33.4%), Pará (20.1%),
and Mato Grosso (25.0%).  The analysis by municipalities showed
that 30 of the nation's 2,278 municipalities, all located in the
endemic area, accounted for 67.2% of the cases.  These
municipalities include 6.46% of the national population and 11.03%
of the malarious area.

     One could observe that during the year the trend in the states
of Mato Grosso and Roraima was upward, while in the other states
mal