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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.

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TWiP 286: Pinworms keep coming back! How to stop reinfection in your home

TWiP solves the case of the adult female with a 2 year old child who develops anal irritation, but the child and the husband are fine. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Letters read on TWiP 286 Hero – Otto Wucherer TWiP study – information and…

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TWiP 285: Why Is Cyclospora So Hard to Contain? Parasitologists Explain the 2026 US Outbreak

TWiP reviews our current understanding of the biology of Cyclospora , the parasite currently causing a large multistate outbreak in the US traced to contaminated lettuce, and why it is so difficult to control. Hosts: Vincent Racaniello and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Current Knowledge of…

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TWiP 284: It's not the pork

TWiP solves the case of the 39-year-old man originally from Guatemala, who moved to one of the NYC boroughs in 2023 and presented with headaches for nearly 1 year. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Letters read on TWiP 284 TWiP study – information…

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TWiP 283: Warming up to cryptosporidiosis

TWiP reviews the projected impact of climate change on the burden of Cryptosporidium in Mali, Kenya, and The Gambia. Hosts: Vincent Racaniello and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Impact of climate change on Cryptosporidium (J Inf Dis) Letters read on TWiP 283 TWiP study – information and…

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TWiP 282: Does he live in New York?

TWiP solves the case of the nonbinary patient in his 30s with a history HIV/AIDS presenting with 3 weeks of subjective fevers, chills, generalized weakness and voluminous ostomy output. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Parasite of the Month:…

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TWiP 281: Ants under the influence

TWiP reviews gene expression in wood ants infected with the larval lancet fluke, which causes them to leave their nest and attach to a flower until they are eaten by a grazing mammal. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Gene expression in wood ants…

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TWiP 280: The wriggling diagnosis

TWiP solves the case of the 3 yo child, who recently immigrated to the US from Central America, in the ER with acute right lower quadrant abdominal pain and a rather active serpiginous wormlike 'thing' wiggling away in the child's appendix. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join…

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TWiP 279: Tolling for hookworms

TWiP reviews a phase 2 clinical trial of a recombinant vaccine against N. americanus glutathione S-transferase-1, an enzyme that performs a crucial enzymatic step in hookworm blood feeding. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Phase 2 hookworm…

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TWiP 278: Trichinella from eating bear eyeballs

TWiP solves the case of the male in his 20s from Hokkaido, Japan, who developed fatigue and rash, followed by fever and myalgia 6 days later, after eating a raw bear eyeball. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Hero: Sir Nicholas White (1951 – 2026)…

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TWiP 277: Rif-ing on river blindness

TWiP 277: Rif-ing on river blindness April 21, 2026 TWiP reviews the global, regional, and national burden of Chagas disease, and comparison of doxycycline and rifampicin for the treatment of onchocerciasis. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server…

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TWiP 276: Travel history is the key

TWiP solves the case of the man in his 60s experiencing weight loss, fatigue, and loss of appetite. Hosts: Vincent Racaniello , Daniel Griffin , and Christina Naula Subscribe (free): Apple Podcasts , Google Podcasts , RSS , email Links for this episode Join the MicrobeTV Discord server Hero: Bailey K. Ashford Letters read on TWiP 276 TWiP study – information and survey New Case Male in his 20s…

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