特異性:These antibodies recognize E. coli serotypes O2a/2b, O7, O11, O18, O44, O75, O112, and O125. Not all E. coli O serotypes have been tested. These antibodies do not cross-react with Enterobacter aerogenes, Klebsiella pneumoniae, Proteus mirabilis, Proteus vulgaris, Pseudomonas aeruginosa, or Serratia marcescens.