African sleeping sickness is caused by the single-cell parasite Trypanosoma brucei and is spread by infected tsetse flies in sub-Saharan Africa. The disease is deadly, affecting both humans and livestock and can erupt into epidemics of between 20,000 and 500,000 people. In the last decade, the number of cases has been limited by discovering patients and treating them before they carry the disease on.  However, … Continue reading Previously unknown protective enzyme identified in the sleeping sickness parasite.