On May 26, 2017 a group of 5 co-workers shared a meal at a Colorado Springs, Colorado restaurant. Within 2 hours, 4 of the 5 became ill with nausea, vomiting, and diarrhea. The co-workers live in separate houses and denied any other common exposures. No one was hospitalized and no one died. Public health investigators classified this outbreak as a suspected bacterial toxin outbreak.