Food Safety Report: KFC Brentwood - High St, High Street, Brentwood, UK 3 years ago • details 7 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills Suspected source: their chicken Onset: 1 hour Duration: On going Additional information: 2 of my children became Ill after eating a their chicken strip meal.