产肠毒素大肠株菌是引起急性腹泻病的主要病原苗，目前已引起全球许多国家的重视。为了探讨我省分离产肠毒素大肠杆菌（ETEC）其不耐热肠毒素（LT）与抗毒血清的中和状况。近年来，我们对一些苗杆的LT与抗毒血清进行中和试验。现将结果报告如下。一、材料与方法1．菌株来源：ET Staphylococcal enterotoxigenic enterocolitis is the major etiological agent causing acute diarrhea and has attracted the attention of many countries in the world. In order to explore the isolation of enterotoxigenic Escherichia coli (ETEC) in our province its heat-labile enterotoxin (LT) and anti-virus serum neutralization. In recent years, we conducted neutralization tests on some seedling LTs and antitoxic sera. The results reported below. First, materials and methods 1. Strain origin: ET