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. Author manuscript; available in PMC: 2011 Sep 5.
Published in final edited form as: Trends Parasitol. 2002 Dec;18(12):530–534. doi: 10.1016/s1471-4922(02)02374-7

Fig. 2.

Fig. 2

(a) The percentage change in population per hospital bed using data for 1980 and for 1990 (the only times available). These data were abstracted from the World Bank Africa Database on CD-ROM [41]. (b) The percentage change in normalized difference vegetation index (NDVI) derived from the Pathfinder AVHRR Land dataset [53]; the 1981–1985 average is compared with the 1996–2000 average for each site. (c) The percentage change in the human population – total (open bars) and urban (solid bars) – between 1980 and 2000, also abstracted from the World Bank Africa Database on CD-ROM [41].