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The boundaries and names shown and the designations used on this map do not imply the expression of any opinion whatsoever on the part of the World Health Organization concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. Dotted and dashed lines on maps represent approximate border lines for which there may not yet be full agreement. The borders of the map provided reflect the current political geographic status as of the date of publication (2021). However, the technical health information is based on data accurate with respect to the year indicated (2020). The disconnect in this arrangement should be noted but no implications regarding political or terminological status should be drawn from this arrangement as it is purely a function of technical and graphical limitations.
Region | Not started or not 100% geog. coverage | Implementing STH PC intervention | Need of impact survey | Full impact survey done and PC modified | No data |
Africa (AFRO) | Angola, Equatorial Guinea, Gabon, Namibia | Botswana, Central African Republic, Congo, Gambia, Guinea-Bissau, Lesotho, South Sudan, South Africa, Zambia | Democratic Republic of Congo, Eswatini, Guinea, Madagascar, Mozambique, Nigeria, Sao Tome and Principe, Uganda, United Republic of Tanzania | Benin, Burkina Faso, Burundi, Cabo Verde, Cameroon, Chad, Comoros, Cote d'Ivoire, Ethiopia, Ghana, Liberia, Kenya, Malawi, Mali, Niger, Rwanda, Senegal, Sierra Leone, Togo, Zimbabwe | |
Americas (PAHO) | Colombia, Guatemala, Guyana, Haiti | El Salvador, Honduras, Paraguay, Venezuela (Bolivarian Republic of) | Brazil, Dominican Republic, Nicaragua | Bolivia, Dominica, Panama, Peru, Saint Vincent and the Grenadines | |
South-East Asia (SEARO) | India** | Democratic People's Republic of Korea, Indonesia, Nepal, Timor-Leste | Bangladesh, Bhutan, Myanmar | ||
Europe (EURO) | Uzbekistan | Kyrgyzstan, Tajikistan | |||
Eastern Mediterranean (EMRO) | Pakistan | Somalia | Afghanistan, Iraq, Syrian Arab Republic | Yemen, Sudan | Djibouti |
Western Pacific (WPRO) | Papua New Guinea, Micronesia (Federated States of), Solomon Islands | Fiji, Kiribati, Marshall Islands, Tuvalu, Vanuatu | Philippines | Cambodia, Lao People's Democratic Republic, Vietnam | Nauru,Tonga |
Total of countries | 9 | 20 | 23 | 31 | 8 |
** large country with regions showing different progresses in implementation and impacts |