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

This Week in Parasitism

Release Date: 01/15/2026

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

This Week in Parasitism

TWiP solves the case about the man with positive Strongyloides serology who is waiting for a kidney transplant. Hosts: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV   (Australian Family Physician) Hero:   ()  on TWiP 272 New Case 40 year old man travels to India, is only there for a week before he develops problems. Bloating, diarrhea. Weathers the storm. Returns to US. Stool sent for testing. Some interesting results. Comes back positive for Hymenolepis nana, Blastocystis...

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TWiP 271: The silent lesion show art TWiP 271: The silent lesion

This Week in Parasitism

TWiP explores female genital schistosomiasis and associated genital infections in Southern Malawi, a neglected tropical disease. Hosts: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  Female  in Malawi (Parasitology) Mainstreaming  (Parasitology) Female genital  (WHO) Become a  of TWiP  Send your questions and comments to  Music by 

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TWiP 270: They bake my noodle show art TWiP 270: They bake my noodle

This Week in Parasitism

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: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV   on TWiP 270 New Case A man in his 20s is admitted to the hospital with some electrolyte issues related to his end-stage renal disease. Infectious disease is consulted as he has a report of a recent positive strongyloides serology test that was done as part of his...

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TWiP 269: Peripatetic Martin Grobusch show art TWiP 269: Peripatetic Martin Grobusch

This Week in Parasitism

TWiP travels to Toronto, CA for the American Society for Tropical Medicine and Hygiene conference where they meet up with Martin Grobusch to discuss his career and his work. Hosts: , , and Christina Naula Guest:  Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  Primaquine for blocking  (Lancet Inf Dis) , Sierra Leone (New Microb New Inf) Become a  of TWiP  Send your questions and comments to  Music by 

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TWiP 268: A loyal parasite show art TWiP 268: A loyal parasite

This Week in Parasitism

TWiP discusses a 41-year long human infection with Schistosoma mansoni, and CRISPR screens that reveal genes essential for Cryptosporidium survival in the host intestine. Hosts: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV   Schistosoma infection (J Travel Med) Genes essential for Cryptosporidium  (Nat Comm) Become a  of TWiP  Send your questions and comments to  Music by 

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TWiP 267: It dropped from her scalp show art TWiP 267: It dropped from her scalp

This Week in Parasitism

TWiP solves the case about the female who traveled to Brazil and upon returning home felt movements under her scalp on the back of her head, and present another case for your solving, a man with abnormal brain MRI. Hosts: , , and Christina Naula Guest:  Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  Life cycle of Dermatobia hominis  on TWiP 267   New Case Man in his 40s, married with 2 children, on Eliquis for a prior DVT, diet-controlled diabetes, who is admitted for evaluation of an abnormal brain MRI. He left AMA...

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TWiP 266: Wraps and ivermectin for malaria show art TWiP 266: Wraps and ivermectin for malaria

This Week in Parasitism

TWiP explains research showing that treatment of baby wraps with an insect repellent, and oral dosing with ivermectin, are both effective measures to prevent malaria. Hosts: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  Treated baby wraps  (NEJM)  prevents malaria (NEJM) Become a  of TWiP  Send your questions and comments to  Music by 

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TWiP 265: Things that jump are cleaner than things that squat show art TWiP 265: Things that jump are cleaner than things that squat

This Week in Parasitism

TWiP solves the case about the parasite check in summer camp, and presents a new case about a woman who traveled to Brazil and developed furuncles on the back of her head. Hosts: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  Hero: Francesco Redi Wikipedia:  Linda Hall Library, Kansas:  Habermehl, G., (1994). Francesco Redi—Life and work, Toxicon 32 (4) .  on TWiP 265 New Case From Eyal Leshem, a returning case “provider” 43 years old female who travelled to Brazil on May 2025 for a...

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TWiP 264: Toxoplasma changes your brain show art TWiP 264: Toxoplasma changes your brain

This Week in Parasitism

Vincent and Daniel discuss research showing that Toxoplasma gondii infection of the brain alters extracellular vesicle production and the communication between neurons and astrocytes. Hosts:  and  Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  T. gondii  (PLoS Path) Become a  of TWiP  Send your questions and comments to  Music by 

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TWiP 263: Tick-tock show art TWiP 263: Tick-tock

This Week in Parasitism

TWiP solves the case of the world travelers with poppy-seed size dots embedded in their skin, then present a new case about parasite check in summer camp. Hosts: , , and Christina Naula Subscribe (free): , , ,  Links for this episode Join the MicrobeTV  Hero:   on TWiP 263 New Case It is the first day of summer camp and the children are lined up for a parasite check. Some of the children have certificates that allow them to bypass the screening. Some of the parents are upset about this process commenting that this is not required by the state and...

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More Episodes

TWiP solves the case about the man with positive Strongyloides serology who is waiting for a kidney transplant.

Hosts: Vincent RacanielloDaniel Griffin, and Christina Naula

Subscribe (free): Apple PodcastsGoogle PodcastsRSSemail

Links for this episode

New Case

40 year old man travels to India, is only there for a week before he develops problems. Bloating, diarrhea. Weathers the storm. Returns to US. Stool sent for testing. Some interesting results. Comes back positive for Hymenolepis nanaBlastocystis hominisGiardia intestinalis. Recommended he take four tablets. Flatulence. HIV negative. He ate food that were prepared in the home but also out. Delhi area. 

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Music by Ronald Jenkees

Dear TWiP listeners,

Have you ever wondered how TWiP shapes your understanding of science? We have! To find out more, Christina and the team are running a survey based study to learn more about how TWiP contributes to your scientific literacy and trust in science. Listen to the segment in this episode (TWiP 267) where Christina discusses the study’s aims and scope.  

Anyone who listens to TWiP can participate. The survey is anonymous and we do not collect personal data that could identify you. There are no potential disadvantages or harms in taking part, other than using a few minutes of your time. You will receive no direct benefit from taking part in this study. However, the information that is collected during this study will give us a better understanding of who our listeners are, and why they choose to listen to TWiP. We can use this understanding to make TWiP even better!

This is an academic study and we aim to disseminate our findings to the wider public, including you. For example, we’ll have a conversation about the findings on a future episode of TWiP, we plan conference presentations and publication in a relevant academic journal

The project has been reviewed and approved by the University of Glasgow College of Medical, Veterinary & Life Sciences Ethics Committee. Application 200250013

You can find the study, detailed participant information, and consent information here: 

TWiP study – information and survey