The TWiPsters solve the case of the Rashy Schoolteacher, and reveal a drug from rotifers that live on the snail intermediate host which paralyzes schistosome cercariae and prevents infection of mice.

Hosts: Vincent Racaniello, Dand Daniel Griffin

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Links for this episode

• Progress towards global eradication of dracunculiasis (MMWR)
• Rotifer compound that paralyzes schistosome cercariae (PLoS Biol)
• Image credit
• Letters read on TWiP 177

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Case Study for TWiP 177

49 yo man sent to Daniel for ID consultation. Reports in August visited Hawaii with family, then flies to CA. Family event there. Take him to Pakistani restaurant. One day later has gastrointestinal issues, nausea, diarrhea. Goes to urgent care, send stool for O&P. Look at stool, shows chilomastix mesnili. No medicines, will be ok. Over this period of 1 week he loses 15 pounds. Gains 5 back. End of October feels fine, no bloating or diarrhea. No symptoms but goes to gastroenterologist. Stool test returns with D. fragilis; and chilomastix mesnili. Now sees Daniel. Not on any meds. No allergies, no toxic habits, athletic. No illness in family. Normal exam. He ate salads in Hawaii.

Send your case diagnosis, questions and comments to twip@microbe.tv

Music by Ronald Jenkees