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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.
Episodes
Wednesday Sep 03, 2025
Wednesday Sep 03, 2025
This week, Heather pulls back the curtain on how she figures out what’s true. From gut checks and trusted sources to the brutal training of grad school and the constant practice of science writing, she shares the habits that help her navigate conflicting claims—like the current confusion around COVID vaccine access. You don’t need a PhD to think like a scientist, just the right process.
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