Volume 8, Number 9—September 2002
Research
Impact of El Niño/Southern Oscillation on Visceral Leishmaniasis, Brazil
Figure 2

Figure 2. Cross-correlation function between the annual incidences of visceral leishmaniasis from 1985 to 1999 and the 12-month moving average of the mean monthly Niño-3 index (solid line). Broken lines are the corresponding 95% pointwise confidence intervals.