1996年6月6日至8日广州市聋人学校发生了一起因沙门氏菌D群引起的食物中毒爆发事件。现报告如下：材料与方法1流行病学调查按统一调查表格进行个案调查。了解该食堂食谱、食物加工制作和存放情况，外环境（包括水样）及师生进食的有关情况，调查患者发病时间、发病过程及临床表 A food poisoning outbreak caused by Salmonella group D occurred in the deaf school in Guangzhou from June 6 to June 6, 1996. The report is as follows: Materials and Methods 1 Epidemiological Survey A case-by-case survey is conducted according to a unified questionnaire. Understand the canteen recipes, food processing and storage conditions, the external environment (including water samples) and the situation of teachers and students to eat, investigate the patient’s onset time, the incidence of disease and clinical manifestations