一般情况山西省某县城关中学,全校共有894人,其中男686人、女208人。該校师生近三年来从未发现伤寒、副伤寒病例。学生与教工分別在两个食堂就餐,部分走讀生在家吃飯。主食为白面、玉米、副食为菠菜、黄瓜、南瓜等。蔬菜大多熟吃,很少吃凉拌菜,但学生中喝生水习慣更为普遍。 In general, a county in Shanxi Province Chengguan Middle School, the school a total of 894 people, of whom 686 were male and 208 female. The school teachers and students in the past three years has never been typhoid, paratyphoid cases. Students and teachers were dining in two canteens, part-time students to eat at home. Staple flour is white, corn, non-staple food for spinach, cucumber, pumpkin and so on. Mostly cooked vegetables, eat cold salad, but students are more common habits of drinking water.