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包头铁路医院于1991年3月～5月误收鼠伤寒沙门氏菌肠炎患者，在儿科病房造成交叉感染，共发生32例。男23例，女9例，多数为婴幼儿，其中2岁以内的26例，占81．25％。主要症状表现为发热，恶心呕吐，腹泻，大便多为黄绿色稀水样，便次在6～12次／日不等。经流行病学调查，显示32例患儿中8例为原发性感染，1例为在家接触感染，其余23例均为住院期间交叉感染。对儿科医护人员手及各品进行采样85份检查，检出6份鼠伤寒沙门氏阳性菌株。提示控制鼠伤寒沙门氏菌引起院内交叉感染的主要措施是加强医院的消毒隔离工作。
Baotou Railway Hospital in March 1991 to May mistakenly received Salmonella typhimurium enteritis patients, resulting in cross-infection in pediatric wards, a total of 32 cases. There were 23 males and 9 females, most of whom were infants and young children, of which 26 were within 2 years of age, accounting for 81.25%. The main symptoms of fever, nausea, vomiting, diarrhea, stool and more yellowish green watery, then the times in 6 to 12 times / day. According to the epidemiological survey, 8 of 32 children showed primary infection, 1 had contact with infection at home, and the other 23 were all cross-infected during hospitalization. Eighty-five samples of pediatric paramedics and staff members were sampled and six samples of Salmonella typhimurium positive were detected. Prompt control of Salmonella typhimurium caused by the hospital cross-infection of the main measures is to strengthen the hospital’s disinfection and isolation work.