Cases of valley fever, a fungal disease caused by spores found within soil in parts of the U.S., has been rising in recent decades, prompting warnings from local health authorities.

A new rapid test for Valley Fever developed in Phoenix is getting ready to go on the market and will be a game-changer for doctors in diagnosing the disease.

Arizona advances in fighting Valley Fever with a new rapid test developed by Dr. Thomas Grys of the Mayo Clinic and ASU, reducing diagnosis time to 10 minutes.

RIVERSIDE COUNTY, Calif. (KESQ) - Riverside University Health System — Public Health (RUHS-PH) officials are alerting the public to an increase in Valley fever cases in Riverside County. Valley fever, ...

A tractor plows a field Paso Robles. Valley fever is a fungal infection spread through dust and has increased in frequency and geography in the Central Valley. (Jason Armond / Los Angeles Times) The ...

Valley fever is on the rise in the Bay Area and across California, state health officials warn. The disease is caused by a fungus that grows in the soil and dirt. It can affect both people and animals ...

LOS ANGELES (KABC) -- Chills, fatigue, coughing and small sores. All of these sound like common cold symptoms. But these are all signs of an infection called "Valley Fever" that is commonly ...