This Week in Parasitism

TWiP is a monthly netcast about eukaryotic parasites. Vincent Racaniello and Dickson Despommier, science Professors from Columbia University, deconstruct parasites, how they cause illness, and how you can prevent infections.


episode 182: Super spreaders of science

Dickson, Daniel and Vincent solve the case of the Ugandan Volunteer With Morning Bites and discuss integration of HIV-1 into the Schistosome genome, with a sprinkling of COVID-19 throughout.

Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

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Links for this episode
  • PWB social media: Facebook, Instagram, Twitter
  • Daniel on TWiV
  • HIV-1 integration into Schistosome genome (PLoS Path)
  • Image from John Southall's Treatise of Buggs, 1730.
  • Letters read on TWiP 182

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Case Study for TWiP 182

60 yo female comes in with husband, grew up in Lima Peru. Having issue had when child, would get itchiness around anus, mother would have her eat pumpkin seeds. Every 2-3 weeks wakes up with severe itching. Put in q-tip and extracted something, has video of it. ONP stool cultures negative. Referred to Daniel. Negative medical history, no allergies, no surgeries, no medications. Does travel, mainly to Uganda. HIV negative, no toxic habits. Husband reports no symptoms. Has children/grandchildren.

Send your case diagnosis, questions and comments to

Music by Ronald Jenkees


 2020-04-11  1h14m