Fungal spores that cause valley fever are carried in the dust. Activities including farming in the Central Valley contribute to the spread of the spores.
Valley Fever is a scary disease, and one that we know little about. It can make people very sick when an airborne fungus lodges in their lungs. Patients and their family members are gathering in Fresno tomorrow for a dialogue with researchers about how to tackle the problem. Reporter: Sasha Khokha