What does it mean to have a positive diagnosis for valley fever?

Common: Valley fever is caused by a fungus called coccidiodes. It is a common infection among people who live in the desert southwest and usually causes a self-limited febrile illness which resolves without treatment. Blood tests for coccidiodes can sometimes distinguish recent infection from past infection, but not always.

Valley Fever: Coccidioidomycosis is a fungal infection found in desert soil in New Mexico, Texas, Nevada, San Joaquin Valley (California) & southern Arizona as well as parts of Mexico, Central & South America. It may have no sx's or cough, shortness of breath, chest pain, fatigue, low fever, night sweats, headache, muscle/joint pain, rash, weight loss. Dx is via serologic tests or culture.