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Unfold, a UC Davis podcast about science, innovation and discovery, unfolded through storytelling. We make complex topics relatable and reveal answers to questions you’ve always been curious about. Each episode takes you into the field with leading researchers who are working to tackle big picture problems – like how we’re going to feed a growing population, adapt to climate change and improve the health of people, animals and the planet. Hosted by public radio veteran Amy Quinton. Co-hosted by Kat Kerlin and Marianne Russ Sharp. Sponsor free. Learn more at ucdavis.edu/unfold.
Episodes

Tuesday Sep 23, 2025
Just One Spore
Tuesday Sep 23, 2025
Tuesday Sep 23, 2025
A single breath and a single spore. That’s all it takes for the fungal infection called valley fever to take hold. For most people, it’s a blip — a treatable illness. But for some, like Rex Dangerfield and Kyleigh Cooyar, it can cause debilitating symptoms. Climate change is creating ideal conditions for the fungus to spread beyond the West. It’s popping up in places where people have never heard of it. In this Unfold episode, we hear how valley fever altered the lives of Rex and Kyleigh, and we hear from UC Davis Health scientists searching for new ways to understand, treat and one day prevent the infection.
In this episode:
- George Thompson, professor of medicine and co-director, UC Davis Center for Valley Fever at UC Davis Health
- Kyleigh Cooyar, valley fever patient
- Rex Dangerfield, valley fever patient
Read an in-depth In Focus story on valley fever in both humans and dogs.

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