What happened when prisoners started dying in the desert?

Horror stories about Valley fever in the US are a grim reminder here in Australia to consider fungal infections for patients with respiratory symptoms.

Late last year, inmates at the Pleasant Valley and Avenal jails in California's San Joaquin Valley began falling ill and dying. 

An investigation soon revealed that they had inhaled toxic fungal spores drifting in the region's dust-filled desert air. A massive logistical and security operation ensued to relocate them.

The spores were from Coccidioides immitis, a soil-dwelling pathogen endemic to