The TWiP legends solve the case of Surfer Sans Septum, and discuss how two symbiotic bacteria in the tsetse fly might allow colonization with Trypanosoma brucei.
The TWiP Wataalamu solve the case of the One Year Old From Kenya With Moving Skin Lesions, and describe how to make mosquitoes refractory to Plasmodium with engineered symbiotic bacteria.
Vincent and Dickson review how gut bacteria help establish T. muris in the large intestine of mice.
Vincent and Dickson discuss control of malaria and filariasis with the bacterial endosymbiont Wolbachia.