Valley fever cases hit record numbers, leaving many with one question: Where does it come from? One KJZZ listener wondered if ...

Valley fever, also called coccidioidomycosis or "cocci," is an infectious disease caused by the Coccidioides fungus that grows in the soil and dirt in some areas of California. Valley fever is a ...

Meet the woman leading vaccine innovation in Senegal to fight Rift Valley fever and empower Africa’s next generation of ...

Valley fever cases increased in several Southern California counties in 2024, according to the California Department of Public Health. Caused by the fungus Coccidioides, the illness is contracted ...