Volume 8, Number 9—September 2002
Research
Impact of El Niño/Southern Oscillation on Visceral Leishmaniasis, Brazil
Figure 1

Figure 1. The Niño-3 index and the incidence of VL in the State of Bahia, Brazil, on a yearly basis. The broken line is the normalized mean annual Nino-3 index, 1980–1998. The solid line shows the annual number of cases of VL per 10,000 inhabitants during 1985–1999.