Microbiology Staph. aureus causes vomiting in 16-18 hours. The mechanism of action is – A Stimulation of cy AMP B Vagal stimulation C Stimulation of CyGMP D Acts through ganglioside GM receptor 💡 Explanation Staph. aureus causes vomiting in 16-18 hours. The mechanism of action is - ✓ Correct Answer: B. Vagal stimulation