According to the Riverside County Health Department, tests conducted on food collected after dozens of employees of a shuttle bus company became ill last month detected a bacterial toxin that can cause the symptoms described by those who became sick.
A state health department laboratory reported this week that Staphylococcal aureus (Staph) enterotoxin was detected in the food sample collected by a Los Angeles County resident who became ill shortly after eating a dinner catered for employees of a shuttle bus company on April 24. The company had provided shuttle service for the Coachella Music Festival.