A map of Africa with shading representing the number of cases of Buruli ulcer in 2018, according to the World Health Organization's Global Health Observatory data repository. 
Shading is in four levels:
1-150 cases - Lightest orange
151-300 cases - Medium-light orange
301-450 cases - Medium-dark orange
451+ - Darkest orange (applies only to Ghana's 630 cases).
Data from the WHO Global Health Observatory, https://apps.who.int/gho/data/node.main.A1631 

Map from File:BlankMap-Africa.svg, which is in the public domain. Shading is own work.
Ajpolino