This illness is rarely outside of the sub-Saharan African region, since this is where these flies are located.
According to the World Health Organization, the disease is endemic in portions of sub-Saharan Africa with more than 50 million people infected with the disease in some form.
Tourists planning vacations to sub-Saharan portions of Africa are warned about possible transmission of the disease through the bite of the tsetse fly.
This specific article of dress is significant because it was once believed that dress was introduced to sub-Saharan Africa by the spread of Islam.
According to the World Health Organization, the major epidemics of African sleeping sickness were documented primarily in the sub-Saharan portions of Africa.