Dr Vale Massey's Map showing trypanosomiasis areas and distribution of Glossina palpalis and moristans brought up to 14 February 1907 in the Belgian Congo, Africa. 1907, hand-drawn. LSHTM Library & Archives
Early public health was arguably more concerned with the protection of British interests overseas rather than serving the well-being of local populations, as evidenced in this map of Sleeping Sickness in the Belgian Congo. The map was used in Commonwealth Office meetings to highlight how the disease was spreading along the banks of rivers towards areas of British gold mining interest and the need for strategies to stop this.