This Week in Parasitism
TWiP is a podcast about the tiny creatures that live in and on us.

TWiP solves the case of the Adventurous Eater with Areas of Swelling, and discusses an experimental Trypanosoma vivax vaccine comprising an invariant flagellum antigen.

Hosts: Vincent Racaniello, Dickson DespommierDaniel Griffin, and Christina Naula

Download TWiP #197 (39 MB .mp3, 64 minutes)

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Case Study for TWiP 197

Gentleman in late 20s, has for weeks had watery diarrhea that is not getting better. Recently took trip to Oaxaca, Mexico. Stayed at nice hotel, all fruits, vegetables, salads well cleaned. Always ate at hotel. Developed diarrhea there. Went with three others, stayed at same place. No prior surgeries, no family history, no medications, no toxic habits. Daniel recommends one test and that gives diagnosis and therapy and he resolves.  

Send your case diagnosis, questions and comments to

Music by Ronald Jenkees

Direct download: TWiP197.mp3
Category:Science -- posted at: 10:51am PDT