The Estimados Profesores of TWIP solve the case of the Man With Motile Objects, and reveal the secreted and excreted proteins of Giardia parasites. Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin Become a patron of TWiP. Links for this episode: Excretory and secretory products of Giardia intestinalis (PLoS NTD) Image credit Letters read on TWiP 145 Case Study for TWiP 145 Male 40s, visiting NYC on business. Lives in Thailand, seeks medical attention for diarrhea and abdominal pain. Diarrhea is continuous, even at night. Feels swollen. Stool cultures come back negative. CBC reveals eosinophilia. Clinician orders stool O&P. See something in stool: large elliptical objects, over 100 microns. Send your case diagnosis, questions and comments to twip@microbe.tv Music by Ronald Jenkees