Several students at a university report developing nausea, v…

Several students at a university report developing nausea, vomiting, and abdominal cramps approximately 2–4 hoursafter eating fried rice at a campus dining event. Most recover within 24 hours without medical treatment. The health department investigates and collects leftover food and stool specimens from symptomatic individuals. Which of the following is the most likely causative organism, and what is the primary mechanism of illness?