TWiP 285: Why Is Cyclospora So Hard to Contain? Parasitologists Explain the 2026 US Outbreak
Release Date: 08/06/2026
TWiP 285: Why Is Cyclospora So Hard to Contain? Parasitologists Explain the 2026 US Outbreak
This Week in Parasitism
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: and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV of Cyclospora cayetanensis (Comp Rev Food Sci Food Safety) Become a of TWiP Send your questions and comments to Music by
info_outline
TWiP 284: It's not the pork
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV on TWiP 284 New Case Recent ID consult: MD/PhD mother doing research, married with child 2 yo, female develops anal irritation, husband is fine, child is fine. Parasitic etiology is considered. Referred to academic ID providers, turns out she had this etiology considered, had received some...
info_outline
TWiP 283: Warming up to cryptosporidiosis
This Week in Parasitism
TWiP reviews the projected impact of climate change on the burden of Cryptosporidium in Mali, Kenya, and The Gambia. Hosts: and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV on Cryptosporidium (J Inf Dis) on TWiP 283 Become a of TWiP Send your questions and comments to Music by
info_outline
TWiP 282: Does he live in New York?
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Parasite of the Month: (the green-banded broodsac) on TWiP 282 New Case 39-year-old man originally from Guatemala, who moved to one of the NYC boroughs in 2023 and currently lives with his siblings and cousins, presented with headaches. He reports headaches for several...
info_outline
TWiP 281: Ants under the influence
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Gene expression in wood ants (Mol Ecol) Visualisation of the master manipulator in the (Sci Rep) Become a of TWiP Send your questions and comments to Music by
info_outline
TWiP 280: The wriggling diagnosis
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Hero: on TWiP 280 New Case 3 yo child who recently immigrated to the US from Central America is brought in to the ER with acute right lower quadrant abdominal pain. The mother is concerned about the pain as...
info_outline
TWiP 279: Tolling for hookworms
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Phase 2 clinical trial (Lancet Inf Dis) Phase 2 clinical trial (Vaccines) Become a of TWiP Send your questions and comments to Music by
info_outline
TWiP 278: Trichinella from eating bear eyeballs
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Hero: Sir Nicholas White (1951 – 2026) (, ) on TWiP 278 New Case 3 yo child who recently immigrated to the US from Central America is brought in to the ER with acute right lower quadrant abdominal pain. The mother is concerned about the pain as well as nausea and vomiting....
info_outline
TWiP 277: Rif-ing on river blindness
This Week in Parasitism
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: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Burden of (Lancet Inf Dis) in treatment of river blindness (Open For Inf Dis) Become a of TWiP Send your questions and comments to Music by
info_outline
TWiP 276: Travel history is the key
This Week in Parasitism
TWiP solves the case of the man in his 60s experiencing weight loss, fatigue, and loss of appetite. Hosts: , , and Christina Naula Subscribe (free): , , , Links for this episode Join the MicrobeTV Hero: on TWiP 276 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 of five individuals on a hunting trip prior to this and reports that 3 friends are just fine but one other individual developed similar symptoms. He reports that they had been hunting the...
info_outlineTWiP 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 a patron of TWiP
Send your questions and comments to twip@microbe.tv
Music by Ronald Jenkees