TWiP 172: A painless lesion

This Week in Parasitism

Hosts: Vincent Racaniello, Dickson Despommier, and Daniel Griffin

The metacyclic TWiPomastigotes solve the case of the Child With a Painless Leg Lesion, and reveal how to kill mosquitoes with a genetically modified fungus.

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• Transgenic Metarhizium kills mosquitoes (Science)
• Hero: Veena Tandon
• Letters read on TWiP 172

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Case Study for TWiP 172

Retired US Navy physician, lives aboard his sailboat, just finished doing remote medical volunteer work in C. America. In DR when has sudden onset of dull prog worsening epigastric lower abdominal pain. Over next 12 hr intensifies, near tears, went to local medical center. Admitted, given IV, probiotics. Febrile, elevated WBC 20,000, platelets low, white counts left shift. Initially some constipation, then diarrhea with some blood. Discharged without diagnosis; still fever and chills; rash rose colored spots on torso. Daniel gets involved; 3 day course of azithromycin, symptoms continue; then metronidazole, feels better, fever, pain, symptoms resolve. Wife is ok. Three men working on his boat, one had bloody diarrhea before the patient did. Keeps a bowl of nuts around.

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Music by Ronald Jenkees