800 800 0 mi 0 km SOURCE: DONALD HOPKINS, ERNESTO RUIZ- TIBEN, AND EMILY STAUB, CARTER CENTER NATIONAL GEOGRAPHIC MAPS Afflicted countries, 1990 Still afflicted, 2004 Estimated cases 2004: 0.02 million 1990: 0.8 million 1986: 3.5 million NIGER TOGO GHANA NIGERIA INDIA BENIN MAURITANIA SENEGAL COTE D'IVOIRE CAMEROON YEMEN KENYA MALI BURKINA FASO CHAD ETHIOPIA CENTRAL AFRICAN REPUBLIC PAKISTAN UGANDA SUDAN AFRICA EUROPE ASIA 0 200,000 400,000 600,000 NIGERIA 1988 GHANA 1989 INDIA 1983 BURKINA FASO 1989 MALI 1991 NIGER 1991 TOGO 1993 CHAD 1993 YEMEN 1994 KENYA 1994 PAKISTAN 1987 CAMEROON 1989 CEN. AF. REP. 1987 SENEGAL 1991 ETHIOPIA 1986 MAURITANIA 1990 UGANDA 1992 BENIN 1990 SUDAN 1996 COTE D'IVOIRE 1991 495 7,275 0 7,266 60 0 357 3 21 278 0 0 0 0 0 0 0 17 3 240 653,492 179,556 126,369 118,578 45,004 44,818 37,414 16,024 12,690 10,349 871 94 53 8,301 1,231 1,322 1,341 2,400 3,885 32,829 2004 Peak recorded year Nearly half the world's current cases of guinea worm disease are in Ghana. Between 1989 and 1990 cases of guinea worm dis- ease in Nigeria fell from 640,008 to 394,082. India's last case of guinea worm occurred in the western state of Rajasthan in 1996. National Geographic ©