Gastroenteritis. Most commonly - food and water borne-- Guardia , campylobacter etc - viral - bacterial - food poisoning may give similar symptoms.
Gastroenetritis. Risk factors for gastroenteritis include poor personal hygiene and lack of sanitation, compromised immune system . Infection may arise from poorly cooked food, cooked food that has been left too long at room temperature or from uncooked food such as shellfish . http://patient.info/doctor/gastroenteritis-in-adults-and-older-children.