The Infectious Science Podcast

35 Episodes

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Screwworms

2026-09-0241:13

A parasite that eats living flesh sounds like a monster movie plot until you realize it has a scientific name, a documented history, and a very real comeback story. We’re talking about the New World screwworm (Cochliomyia hominivorax), a fly whose larvae infest wounds in humans and animals, driving pain, infection, and massive losses in livestock operations. Through a One Health lens, we trace how this single species ties together ranching economics, wildlife reservoirs, and the fact that dis...

Ergotism: From Medieval Plague to Modern Medicine

2026-07-0426:35

This episode, we’re talking ergotism, a fungus-driven poisoning linked to contaminated grains like rye. It’s a vivid One Health case study where weather patterns, crop disease, and human biology collide in ways that were historically interpreted as supernatural, but that we now know are due to the razor thin edge between medicine and poison in the alkaloids nature can produce. We walk through how ergot infects rye, how it survives across seasons, and why insects help spread it. Then we get i...

Human Choices Reshape Ecosystems And Push Viruses Closer To Us

2026-06-0549:52

A virus rarely “comes out of nowhere.” More often, we build the bridge it crosses. We’re talking One Health through two vivid case studies, Machupo virus and Zika virus, and the shared thread connecting them: land use change and the human decisions that reshape ecosystems faster than they can adapt. First, we break down Machupo, a New World arenavirus that causes Bolivian hemorrhagic fever. We walk through how spillover happens from a rodent reservoir, why the early symptoms can look like so...

Space Pathogens In Fiction & Reality

2026-04-0433:00

A parasite that senses you coming. An “egg” that waits for the right moment. A life cycle designed to turn a host into a nursery. Space pathogen sci-fi stories hit so hard because they borrow from real evolutionary tricks, and in this episode we put that biology under a microscope as we dissect out some of our sci-fi favorites. We start with the Alien franchise and unpack what makes xenomorph horror feel believable: host detection, parasite-like behavior, and uncomfortable parallels on Earth ...

Parasites & People

2026-03-0634:04

Parasites spark equal parts fascination and fear—and they reveal how closely our health is tied to animals, food, water, and the places we live. We take you from the “heirlooms” we inherited from primate ancestors to the “souvenirs” picked up through agriculture and travel, then unpack what parasites actually do to the human body and why some symptoms are red flags while others are everyday noise. Along the way, we fact-check the social media wellness trend pushing “parasite cleanses,” and ex...

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