Food poisoning incidents are frequently caused by inadequate and neglectful supervision of food hygiene. This may happen if the staff don't have enough understanding about food hygiene and safety. To avoid this, restaurant and catering employees, as well as business owners, can enroll in the College of Contract Management's level 2 food hygiene certificate free course. https://www.theccm.co.uk/food-hygiene-course-types-and-career-paths/