Rhodnius prolixus transmits the parasites which cause Chagas disease in faeces which they deposit near the site of their bite. Image Credit: WHO/TDR/Stammers This week, researchers announced that the genomes of three parasites -- Trypanosoma brucei, Trypanosoma cruzi and Leishmania major. Respectively, those parasites are responsible for sleeping sickness, Chagas disease and leishmaniasis, d