Where can I listen to this podcast?

This podcast is available on 4 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.

Does this podcast accept guests?

No, this podcast does not typically feature guests.

Infectious Dose

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by Infectious Dose

77 episodes

Updated Daily

Accepts GuestsHas SponsorsLocation 🇺🇸

Podcast Authority

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PoorBased on show quality, social media presence, reviews, charts, and more

Quality41

Social0

YouTube0

Engagement32

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Podcast Overview

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.

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🇺🇲

Publishing Since

4/7/2025

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🇺🇸 Charts #3

Outreach generated

Apple 142

Spotify 827

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Podcast Authority

Beta

PoorBased on show quality, social media presence, reviews, charts, and more

Quality41

Social0

YouTube0

Engagement32

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Every 6 days

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Recent Episodes

July 22, 2026

S2E30 Do No Harm: The Birth of Infection Prevention

For much of history, entering a hospital could be one of the most dangerous decisions a person could make. Patients survived injuries and operations only to die from infections acquired in the very places meant to heal them. In this final episode of our Turning Points in Infectious Disease series, we explore the revolution that transformed hospitals from centers of disease transmission into institutions designed to prevent infection. Follow the stories of Ignaz Semmelweis, Louis Pasteur, Joseph Lister, and Florence Nightingale as medicine gradually uncovered the invisible world of microbes and reshaped healthcare around one revolutionary idea: the safest infection is the one that never happens. We'll also explore why healthcare-associated infections still occur today and what this history teaches us about the ongoing challenge of translating scientific evidence into everyday practice. Check out the companion blog post at the website for full, annotated citations , historical images, and more. And subscribe to the free weekly newsletter, Field Notes, to continue the conversation, get updates on outbreaks and the infectious disease signals Heather is paying attention to, and get a peek behind the scenes.

July 17, 2026

Outbreak Watch: July 17, 2026

In this edition of Outbreak Watch, we provide a current briefing on the major outbreaks unfolding now, including Ebola in the Democratic Republic of the Congo and Uganda, New World screwworm in the United States, and the rapidly growing U.S. cyclosporiasis outbreak. Along the way, we answer the questions listeners are asking most. We also examine several emerging signals, including H5 avian influenza in mammals, the potential for Vibrio vulnificus infections this summer, and why surveillance systems are just as important as laboratories when it comes to detecting outbreaks before they become national emergencies. As always, you'll find annotated references, official dashboards, and links to additional resources in the companion blog post at InfectiousDose.com. If you want the free, weekly companion newsletter to the episodes, Field Notes, subscribe here.

July 15, 2026

S2E29 A Shot in the Dark: The Science That Outsmarted Smallpox

For most of human history, epidemics were something people endured—not prevented. Smallpox alone killed hundreds of millions of people, leaving survivors scarred, blinded, or forever changed. But hidden within that devastation was a remarkable observation: those who survived rarely became sick again. In this episode, we explore the centuries-long journey from variolation to vaccination, following the observations of physicians, the experiences of milkmaids, the bold experiment of Edward Jenner, and the scientific breakthroughs that transformed an idea into one of medicine's greatest achievements. We'll also trace how Jenner's work inspired generations of scientists, eventually leading to vaccines against countless other diseases and the global eradication of smallpox. This episode is part of our July series, Turning Points in Infectious Disease, exploring the discoveries that fundamentally changed humanity's relationship with disease. This week, we examine the moment prevention became possible. For the full list of annotated citations, historical images, and additional resources, visit the companion blog post at InfectiousDose.com. And while you're there, subscribe to Field Notes, our free weekly newsletter featuring an expanded conversation about the episode, outbreak updates, infectious disease signals I'm keeping an eye on, and behind-the-scenes notes from Infectious Dose.

77 total episodes available

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What is Infectious Dose?: 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.
How often does this podcast release new episodes?: This podcast updates daily.
Where can I listen to this podcast?: This podcast is available on 4 platforms including Apple Podcasts, Spotify, and more. You can also use the RSS feed directly.
Does this podcast accept guests?: No, this podcast does not typically feature guests.

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