This Week in Parasitism

58:10

TWiP 289: Dogs, Parasites, and an Exhausted Immune...

This Week in Parasitism ·

2026/10/02

TWiP explains a single-cell analysis of immune cells in the blood of dogs with canine leishmaniosis, providing a detailed picture of how the immune response changes as the disease progresses. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Subscribe (free): Apple Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server Single immune cell atlas of canine leishmaniosis (iScience) Clinical staging in CanL (LeishVet) TWiP study – information and survey Become

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01:07:00

TWiP 288: Taco Bell and the Case of the Runny Jobbies

This Week in Parasitism ·

2026/09/21

TWiP solves the case of the NYC woman in her 30s who developed 3 weeks of significant watery diarrhea after eating at a Taco Bell Restaurant. 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 288 Parasite of the month – Parelaphostrongylus tenuis — meningeal worm (brainworm) Wikipedia entry P. tenuis in ruminants (Food Animal Pract) P. tenuis

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46:55

TWiP 287: A Vaccine Against Schistosomiasis?...

This Week in Parasitism ·

2026/09/08

Mumtaz Balkhi joins TWiP to discuss phase 1 and 1b trials of the schistosomiasis vaccine SchistoShield which demonstrate that it induces functional immune memory responses in US and African populations. Hosts: Vincent Racaniello, Daniel Griffin, and Christina Naula Guest: Mumtaz Y. Balkhi Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Links for this episode Join the MicrobeTV Discord server SchistoShield Phase 1 and 1b results (npj Vaccines) TWiP study – information and survey

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01:12:07

TWiP 286: Pinworms keep coming back! How to stop...

This Week in Parasitism ·

2026/08/27

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 survey New Case Recent case. Woman in 20s, lives in NYC, goes to urgent care with 3 weeks of significant

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52:36

TWiP 285: Why Is Cyclospora So Hard to Contain?...

This Week in Parasitism ·

2026/08/06

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 Cyclospora cayetanensis (Comp Rev Food Sci Food Safety) TWiP study – information and survey Become

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50:56

TWiP 284: It's not the pork

This Week in Parasitism ·

2026/07/27

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 and survey New Case Recent ID consult: MD/PhD mother doing research, married with child 2 yo, female

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01:00:42

TWiP 283: Warming up to cryptosporidiosis

This Week in Parasitism ·

2026/07/07

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 survey Become a patron of TWiP Send your questions and comments to twip@microbe.tv Music by Ronald

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53:58

TWiP 282: Does he live in New York?

This Week in Parasitism ·

2026/06/24

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: Leucochloridium paradoxum (the green-banded broodsac) Letters read on TWiP 282 TWiP study – information and

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58:25

TWiP 281: Ants under the influence

This Week in Parasitism ·

2026/06/22

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 infected with lancet fluke (Mol Ecol) Visualisation of the master manipulator in the brain of its ant

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57:17

TWiP 280: The wriggling diagnosis

This Week in Parasitism ·

2026/05/29

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 the MicrobeTV Discord server Hero: Rudolf Ludwig Carl Virchow (1821-1902) Letters read on TWiP 280 TWiP study

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50:46

TWiP 279: Tolling for hookworms

This Week in Parasitism ·

2026/05/01

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 vaccine clinical trial (Lancet Inf Dis) Phase 2 Schistosoma vaccine clinical trial (Vaccines) TWiP study –

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56:29

TWiP 278: Trichinella from eating bear eyeballs

This Week in Parasitism ·

2026/04/24

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) (Guardian, Lancet) Letters read on TWiP 278 TWiP study – information and survey New Case 3 yo child who

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01:03:30

TWiP 277: Rif-ing on river blindness

This Week in Parasitism ·

2026/04/21

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 Burden of Chagas' disease (Lancet Inf Dis) Doxycycline vs rifampicin in treatment of river blindness (Open For

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01:16:39

TWiP 276: Travel history is the key

This Week in Parasitism ·

2026/03/23

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 from Hokkaido, Japan, developed fatigue and rash, followed by fever and myalgia 6 days later. He was a group

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42:13

TWiP 275: Novel malaria vector control

This Week in Parasitism ·

2026/03/12

TWiP reviews the effectiveness of long-lasting spatial repellent emanators against malaria in humanitarian crisis settings in northern Nigeria, and Dengue suppression by male Wolbachia-infected mosquitoes. 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 Spatial emanators for malaria control (Lancet Inf Dis) Dengue suppression with Wolbachia-infected

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47:42

TWiP 274: Four tablets for bloating

This Week in Parasitism ·

2026/02/17

TWiP solves the case of the 40 year old male who travels to India and develops intestinal bloating and diarrhea. 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: Glenn L. Hoffmann Fish and seafood consumption (Our World in Data) Wild fish vs aquaculture (Our World in Data) TWiP study – information and survey Become a patron of TWiP Send your questions and

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01:05:42

TWiP 273: Intestinal parasites in dogs

This Week in Parasitism ·

2026/02/06

TWiP reviews intestinal parasites in dogs and their association with clinical manifestations of canine visceral leishmaniasis. 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 Intestinal parasites in dogs (Vet Parasitol) Zoonotic protozoal diseases of companion animals (Clin Micr Rev) Canine visceral leishmaniasis in stray and owned dogs in Brazil (Acta tropica)

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57:34

TWiP 272: Don't look and you won't find

This Week in Parasitism ·

2026/01/15

TWiP solves the case about the man with positive Strongyloides serology who is waiting for a kidney transplant. 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 Chronic strongyloidiasis (Australian Family Physician) Hero: Gwendoleen Rees (Wikipedia) TWiP study – information and survey Letters read on TWiP 272 New Case 40 year old man travels to India, is only

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49:58

TWiP 271: The silent lesion

This Week in Parasitism ·

2025/12/23

TWiP explores female genital schistosomiasis and associated genital infections in Southern Malawi, a neglected tropical disease. 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 Female genital schistosomiasis in Malawi (Parasitology) Mainstreaming female genital schistosomiasis (Parasitology) Female genital schistosomiasis (WHO) TWiP study – information and survey

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56:40

TWiP 270: They bake my noodle

This Week in Parasitism ·

2025/11/28

TWiP solves the case about the man with abnormal brain MRI, and presents a new case for your solving about a man with some electrolyte issues related to his end-stage renal disease. 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 TWiP study – information and survey Letters read on TWiP 270 New Case A man in his 20s is admitted to the hospital with some electrolyte

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