30th July 2023

A 50-year-old woman presents to A&E with a one-day history of vomiting, followed by diarrhoea

A 50-year-old woman presents to A&E with a one-day history of vomiting, followed by diarrhoea. Her symptoms began only an hour after eating some leftover rice for lunch. She recalls the rice was left out on the counter overnight as her partner forgot to store it in the fridge.

What is the likely causative organism?

Select the SINGLE most appropriate option from the list below. Select ONE option only.