The TWiPsters solve the case of the Child from DR with Poppy Seed Sized Things On His Head Hair Shafts, and reveal how the skin parasite landscape determines the infectiousness of Leishmania.
The TWiPsters solve the case of the Peace Corps Volunteer with a Liver Lesion, and discuss the dependence of Leishmania survival on the gut microbiome of the sandfly.
The TWiPniks docs solve the case of the Female from Peru with Epistaxis, and discuss the effect of community deworming on immunosuppression.
The TWiPanosomes solve the case about the Young Woman who Went to Belize, and relate how sandfly saliva skews the immune response and increases risk of cutaneous leishmaniasis.
Vincent and Dickson discuss the spread of P. knowlesi in Malaysia, and how Leishmania parasites protect the sandfly gut from bacterial infection.
Vincent and Dickson discuss the finding that immunity to a sandfly salivary protein protects against fatal visceral leishmaniasis in hamsters.