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Infectious Dose

Infectious Dose

Written by: Infectious Dose
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Infectious dose is the shot of science you need to protect yourself from misinformation. Heather McSharry, PhD, an expert in viral pathogenesis, brings her blog to the airwaves to help bridge the dangerous gap between the science of infectious diseases and public misperception. On the podcast website, infectiousdose.com, all episodes have corresponding blog posts with the information contained in the episode along with links or PDFs for all sources used. To prevent unwelcome surprises, episodes with limited, mild profanity are marked as explicit. *Podcast intro and outro music are adapted from Heather Nova’s song, I Miss My Sky. Used with permission.Copyright 2020 All rights reserved. Biological Sciences Science
Episodes
  • S2E43 The House of Căpușan
    Oct 21 2026

    An isolated village. A mysterious outbreak. A physician whose patients trust him with their lives.

    When American scientist Dr. Helen Seward travels to Romania's Carpathian Mountains to investigate cases of Crimean-Congo hemorrhagic fever, she expects to find infected ticks, complicated exposure histories, and a community struggling to contain a dangerous disease.

    What she finds is something far stranger.

    The ticks are appearing where they shouldn't. Medical records don't quite add up. And the village's beloved physician, Dr. Căpușan, seems to know more about the outbreak—and its unusual vectors—than he's willing to reveal.

    Inspired by Bram Stoker's Dracula, The House of Căpușan is an original Infectious Dose audio drama that brings infectious-disease science into the shadows of Gothic horror.

    💀 Month of the Macabre 2026

    🎬 This week's #SickFlicks: Bram Stoker's Dracula (1992) and Nosferatu (2024). Two atmospheric explorations of vampirism, contagion, and the dangerous intimacy of blood.

    🎧 Headphones recommended. This is an immersive, audio-only story.

    🩸 Next week: It's the final week of Month of the Macabre, and we're celebrating with two special releases! Original Outbreak After Dark cohosts Kate and Sam return for an anniversary reunion with the original trio back together.

    Then, on Friday, October 30—the 88th anniversary of the 1938 War of the Worlds radio broadcast—we're bringing you The Devil of Hawthorn Mill, an original audio drama inspired by Orson Welles' legendary broadcast.

    📻 Tune in to WIDX. The broadcast is about to be interrupted.

    Visit the episode blog post for the overview and downloadable transcript.

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    35 mins
  • Outbreak Watch: October 9, 2026
    Oct 9 2026

    In this week's Outbreak Watch, we're examining the latest developments in the DRC Ebola outbreak, Pennsylvania's ongoing measles outbreak and a new development in the US H5N1 outbreak. Finally, we separate evidence from speculation surrounding reports of a possible laboratory-associated infection in Russia.

    Outbreak Watch is part of Infectious Dose, bringing you outbreak developments, epidemiological context, and the science behind the headlines.

    Find the full transcript, annotated sources, and additional resources at Infectious Dose.

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    9 mins
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