Mapping Surveys

Here we collate available site-level pre-control mapping data for each of the five PC-NTDs (lymphatic filariasis, onchocerciasis, soil-transmitted helminthiasis, schistosomiasis and trachoma), including both national mapping surveys and robust population-based prevalence data from research studies. Loiasis mapping survey data are also available. Loiasis was mapped in order to identify areas where mass administration of ivermectin is not recommended, or should be undertaken after precautionary measures have been put in place.

The assembled data can be used to determine the graphical distribution of transmission, to estimate the burden of disease, and to identify implementation units where preventive chemotherapy is required. They also help to highlight where further survey data are required. Mapping survey data also provide a baseline against which to measure the impact of control efforts.

The WHO provides a number of operational guidelines and standardised methodologies for conducting mapping surveys: to learn more, please visit the Resources page.

74 maps found
Disease Region Type Years Maps Data
Lymphatic filariasis Eastern Africa 1921 - 2016 Download map png
Lymphatic filariasis Africa Continent 1900 - 2016 Download map png
Lymphatic filariasis WHO African Region (AFRO) 1900 - 2016 Download map png
Loiasis Africa Continent Blood smear 2015 Download map png
Loiasis Western Africa Blood smear 2015 Download map png
Loiasis WHO African Region (AFRO) Blood smear 2015 Download map png
Loiasis Central Africa Blood smear 2015 Download map png
Onchocerciasis Central Africa Skin Biopsy 2014 - 2015 Download map png
Onchocerciasis Western Africa Skin Biopsy 2014 - 2015 Download map png
Onchocerciasis Africa Continent Skin Biopsy 2012 - 2015 Download map png
Onchocerciasis WHO African Region (AFRO) Skin Biopsy 2012 - 2015 Download map png
Lymphatic filariasis Southern Africa 1957 - 2015 Download map png
Lymphatic filariasis Central Africa 1900 - 2015 Download map png
Onchocerciasis Eastern Africa Skin Biopsy 2012 - 2014 Download map png
Lymphatic filariasis Southern Africa Sentinel site baseline 2008 - 2014 Download map png
Loiasis Western Africa EWH-Questionnaire 2002 - 2014 Download map png
Loiasis Central Africa EWH-Questionnaire 2002 - 2014 Download map png
Loiasis Africa Continent EWH-Questionnaire 2000 - 2014 Download map png
Lymphatic filariasis Africa Continent Sentinel site baseline 2000 - 2014 Download map png
Loiasis WHO African Region (AFRO) EWH-Questionnaire 2000 - 2014 Download map png
Lymphatic filariasis WHO African Region (AFRO) Sentinel site baseline 2000 - 2014 Download map png
Onchocerciasis WHO African Region (AFRO) Nodule Palpation 1989 - 2014 Download map png
Onchocerciasis Western Africa Nodule Palpation 1989 - 2014 Download map png
Onchocerciasis Africa Continent Nodule Palpation 1989 - 2014 Download map png
Lymphatic filariasis Central Africa Sentinel site baseline 2000 - 2013 Download map png
Lymphatic filariasis Western Africa Sentinel site baseline 2000 - 2013 Download map png
Lymphatic filariasis Western Africa 1900 - 2013 Download map png
Onchocerciasis Eastern Africa Nodule Palpation 1996 - 2012 Download map png
Lymphatic filariasis Eastern Africa Sentinel site baseline 2001 - 2011 Download map png
Onchocerciasis Central Africa Nodule Palpation 1989 - 2011 Download map png
Loiasis Eastern Africa EWH-Questionnaire 2002 - 2008 Download map png
Onchocerciasis Southern Africa Nodule Palpation 1998 - 2007 Download map png
Soil-transmitted helminthiasis Western Africa T. trichiura Download map png
Schistosomiasis Western Africa All species Download map png
Soil-transmitted helminthiasis Eastern Africa T. trichiura Download map png
Schistosomiasis Southern Africa All species Download map png
Schistosomiasis WHO African Region (AFRO) All species Download map png
Soil-transmitted helminthiasis Western Africa Hookworms Download map png
Schistosomiasis Western Africa S. mansoni Download map png
Soil-transmitted helminthiasis Eastern Africa All species Download map png
Soil-transmitted helminthiasis Southern Africa All species Download map png
Schistosomiasis Southern Africa S. haematobium Download map png
Soil-transmitted helminthiasis WHO African Region (AFRO) T. trichiura Download map png
Schistosomiasis WHO African Region (AFRO) S. mansoni Download map png
Soil-transmitted helminthiasis Western Africa Ascaris Download map png
Schistosomiasis Western Africa S. haematobium Download map png
Soil-transmitted helminthiasis Southern Africa Ascaris Download map png
Schistosomiasis Southern Africa S. mansoni Download map png
Soil-transmitted helminthiasis Central Africa Hookworms Download map png
Soil-transmitted helminthiasis WHO African Region (AFRO) All species Download map png
Schistosomiasis WHO African Region (AFRO) S. haematobium Download map png
Soil-transmitted helminthiasis Africa Continent Ascaris Download map png
Soil-transmitted helminthiasis Western Africa All species Download map png
Soil-transmitted helminthiasis Eastern Africa Ascaris Download map png
Schistosomiasis Central Africa All species Download map png
Soil-transmitted helminthiasis Africa Continent Hookworms Download map png
Soil-transmitted helminthiasis Southern Africa Hookworms Download map png
Soil-transmitted helminthiasis Central Africa T. trichiura Download map png
Schistosomiasis Central Africa S. mansoni Download map png
Soil-transmitted helminthiasis WHO African Region (AFRO) Ascaris Download map png
Schistosomiasis Africa Continent All species Download map png
Schistosomiasis Eastern Africa All species Download map png
Soil-transmitted helminthiasis Central Africa All species Download map png
Schistosomiasis Central Africa S. haematobium Download map png
Schistosomiasis Africa Continent S. haematobium Download map png
Schistosomiasis Eastern Africa S. haematobium Download map png
Soil-transmitted helminthiasis Southern Africa T. trichiura Download map png
Soil-transmitted helminthiasis Africa Continent T. trichiura Download map png
Schistosomiasis Africa Continent S. mansoni Download map png
Soil-transmitted helminthiasis Eastern Africa Hookworms Download map png
Schistosomiasis Eastern Africa S. mansoni Download map png
Soil-transmitted helminthiasis Central Africa Ascaris Download map png
Soil-transmitted helminthiasis WHO African Region (AFRO) Hookworms Download map png
Soil-transmitted helminthiasis Africa Continent All species Download map png
446 maps found
Disease Region Locationsort descending Type Years Maps Data
Soil-transmitted helminthiasis Western Africa Algeria All species Download map png Download map
Soil-transmitted helminthiasis Western Africa Algeria T. trichiura Download map png Download map
Schistosomiasis Western Africa Algeria S. mansoni Download map png Download map
Schistosomiasis Western Africa Algeria All species Download map png Download map
Schistosomiasis Western Africa Algeria S. haematobium Download map png Download map
Soil-transmitted helminthiasis Western Africa Algeria Ascaris Download map png Download map
Soil-transmitted helminthiasis Western Africa Algeria Hookworms Download map png Download map
Soil-transmitted helminthiasis Central Africa Angola All species Download map png Download map
Schistosomiasis Central Africa Angola S. haematobium Download map png Download map
Onchocerciasis Central Africa Angola Nodule Palpation 2002 - 2011 Download map png Download map
Lymphatic filariasis Central Africa Angola 1966 - 2016 Download map png Download map
Soil-transmitted helminthiasis Central Africa Angola Hookworms Download map png Download map
Soil-transmitted helminthiasis Central Africa Angola Ascaris Download map png Download map
Schistosomiasis Central Africa Angola S. mansoni Download map png Download map
Onchocerciasis Central Africa Angola Skin Biopsy 2015 Download map png Download map
Loiasis Central Africa Angola EWH-Questionnaire 2003 - 2011 Download map png Download map
Schistosomiasis Central Africa Angola All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Angola T. trichiura Download map png Download map
Soil-transmitted helminthiasis Western Africa Benin Hookworms Download map png Download map
Soil-transmitted helminthiasis Western Africa Benin Ascaris Download map png Download map
Schistosomiasis Western Africa Benin S. haematobium Download map png Download map
Soil-transmitted helminthiasis Western Africa Benin All species Download map png Download map
Soil-transmitted helminthiasis Western Africa Benin T. trichiura Download map png Download map
Lymphatic filariasis Western Africa Benin Sentinel site baseline 2003 Download map png Download map
Schistosomiasis Western Africa Benin S. mansoni Download map png Download map
Lymphatic filariasis Western Africa Benin 1954 - 2000 Download map png Download map
Schistosomiasis Western Africa Benin All species Download map png Download map
Schistosomiasis Southern Africa Botswana S. mansoni Download map png Download map
Soil-transmitted helminthiasis Southern Africa Botswana Hookworms Download map png Download map
Soil-transmitted helminthiasis Southern Africa Botswana Ascaris Download map png Download map
Schistosomiasis Southern Africa Botswana All species Download map png Download map
Schistosomiasis Southern Africa Botswana S. haematobium Download map png Download map
Soil-transmitted helminthiasis Southern Africa Botswana All species Download map png Download map
Soil-transmitted helminthiasis Southern Africa Botswana T. trichiura Download map png Download map
Lymphatic filariasis Southern Africa Botswana 2015 Download map png Download map
Soil-transmitted helminthiasis Western Africa Burkina Faso Hookworms Download map png Download map
Soil-transmitted helminthiasis Western Africa Burkina Faso All species Download map png Download map
Lymphatic filariasis Western Africa Burkina Faso Sentinel site baseline 2001 - 2013 Download map png Download map
Soil-transmitted helminthiasis Western Africa Burkina Faso T. trichiura Download map png Download map
Schistosomiasis Western Africa Burkina Faso S. haematobium Download map png Download map
Lymphatic filariasis Western Africa Burkina Faso 1965 - 2012 Download map png Download map
Schistosomiasis Western Africa Burkina Faso S. mansoni Download map png Download map
Schistosomiasis Western Africa Burkina Faso All species Download map png Download map
Soil-transmitted helminthiasis Western Africa Burkina Faso Ascaris Download map png Download map
Schistosomiasis Central Africa Burundi S. haematobium Download map png Download map
Onchocerciasis Central Africa Burundi Skin Biopsy 2013 Download map png Download map
Onchocerciasis Central Africa Burundi Nodule Palpation 2001 - 2013 Download map png Download map
Soil-transmitted helminthiasis Central Africa Burundi Hookworms Download map png Download map
Soil-transmitted helminthiasis Central Africa Burundi Ascaris Download map png Download map
Soil-transmitted helminthiasis Central Africa Burundi All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Burundi T. trichiura Download map png Download map
Schistosomiasis Central Africa Burundi S. mansoni Download map png Download map
Lymphatic filariasis Central Africa Burundi 2007 Download map png Download map
Schistosomiasis Central Africa Burundi All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Cameroon Hookworms Download map png Download map
Soil-transmitted helminthiasis Central Africa Cameroon Ascaris Download map png Download map
Loiasis Central Africa Cameroon EWH-Questionnaire 2000 - 2010 Download map png Download map
Schistosomiasis Central Africa Cameroon S. mansoni Download map png Download map
Lymphatic filariasis Central Africa Cameroon 1957 - 2013 Download map png Download map
Schistosomiasis Central Africa Cameroon All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Cameroon All species Download map png Download map
Schistosomiasis Central Africa Cameroon S. haematobium Download map png Download map
Soil-transmitted helminthiasis Central Africa Cameroon T. trichiura Download map png Download map
Onchocerciasis Central Africa Cameroon Skin Biopsy 2013 Download map png Download map
Onchocerciasis Central Africa Cameroon Nodule Palpation 1993 - 2013 Download map png Download map
Loiasis Central Africa Cameroon Blood smear 2015 Download map png Download map
Soil-transmitted helminthiasis Western Africa Cape Verde T. trichiura Download map png Download map
Schistosomiasis Western Africa Cape Verde S. haematobium Download map png Download map
Soil-transmitted helminthiasis Western Africa Cape Verde Hookworms Download map png Download map
Soil-transmitted helminthiasis Western Africa Cape Verde Ascaris Download map png Download map
Lymphatic filariasis Western Africa Cape Verde 2005 Download map png Download map
Schistosomiasis Western Africa Cape Verde S. mansoni Download map png Download map
Schistosomiasis Western Africa Cape Verde All species Download map png Download map
Soil-transmitted helminthiasis Western Africa Cape Verde All species Download map png Download map
Schistosomiasis Central Africa Central African Republic All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Central African Republic All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Central African Republic T. trichiura Download map png Download map
Lymphatic filariasis Central Africa Central African Republic 2008 - 2009 Download map png Download map
Onchocerciasis Central Africa Central African Republic Nodule Palpation 1999 - 2001 Download map png Download map
Loiasis Central Africa Central African Republic EWH-Questionnaire 2010 Download map png Download map
Soil-transmitted helminthiasis Central Africa Central African Republic Ascaris Download map png Download map
Schistosomiasis Central Africa Central African Republic S. haematobium Download map png Download map
Schistosomiasis Central Africa Central African Republic S. mansoni Download map png Download map
Soil-transmitted helminthiasis Central Africa Central African Republic Hookworms Download map png Download map
Onchocerciasis Central Africa Chad Skin Biopsy 2013 - 2014 Download map png Download map
Soil-transmitted helminthiasis Central Africa Chad All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Chad T. trichiura Download map png Download map
Schistosomiasis Central Africa Chad S. mansoni Download map png Download map
Schistosomiasis Central Africa Chad S. haematobium Download map png Download map
Schistosomiasis Central Africa Chad All species Download map png Download map
Soil-transmitted helminthiasis Central Africa Chad Ascaris Download map png Download map
Lymphatic filariasis Central Africa Chad 1970 - 2015 Download map png Download map
Soil-transmitted helminthiasis Central Africa Chad Hookworms Download map png Download map
Loiasis Central Africa Chad EWH-Questionnaire 2010 Download map png Download map
Onchocerciasis Central Africa Chad Nodule Palpation 2013 Download map png Download map
Schistosomiasis Eastern Africa Comoros S. haematobium Download map png Download map
Soil-transmitted helminthiasis Eastern Africa Comoros Hookworms Download map png Download map
Soil-transmitted helminthiasis Eastern Africa Comoros Ascaris Download map png Download map
Lymphatic filariasis Eastern Africa Comoros 1969 - 1982 Download map png Download map
Lymphatic filariasis Eastern Africa Comoros Sentinel site baseline 2001 - 2007 Download map png Download map

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