炎热的夏天 ,气温升高 ,金黄色葡萄球菌、沙门氏菌等可引起细菌性食物中毒的细菌容易繁殖。细菌性食物中毒的特点是发病快、病情重 ,其潜伏期一般只有 2～ 12小时。主要症状是 :阵发性腹部绞痛 ,腹痛时即有便意 ,反复拉水样便 ,重者可拉血水样便 ,一天数次或数十次 ,多伴有恶心 Hot summer, the temperature rises, Staphylococcus aureus, Salmonella bacteria can cause bacterial contamination of food easy to breed. Bacterial food poisoning is characterized by rapid onset, severe illness, the incubation period is generally only 2 to 12 hours. The main symptoms are: paroxysmal abdominal cramps, abdominal pain that means, repeatedly pull the watery stool, severe cases can pull blood samples, several times a day or dozens of times, often accompanied by nausea