This story was produced by Grist and co-published with Arizona Luminaria. This story is part of Vital Signs, a Grist series exploring the ways climate change affects your health. It is published with ...

(NEXSTAR) – Cases of valley fever, a fungal disease caused by spores found within soil in (mostly) the Southwestern part of the U.S., has been rising in recent decades, prompting warnings from local ...

What is valley fever and how does it spread? Valley fever is an infection spread by a fungus that grows in the top few inches of soil in parts of the American West. It is transmitted when soil is ...