| abstract |
An antibody against Escherichia coli (especially an MDR strain) and an Escherichia coli bacterium (eg, an MDR strain) having improved specificity used for the prevention or treatment of Escherichia coli infections caused by a strain having lipopolysaccharide (LPS) O25b , MDR strains, etc.) in a rapid and reliable manner. An O25b antigen of an Escherichia coli strain comprising at least an antibody heavy chain variable region (VH) containing any of a CDR1 sequence to a CDR3 sequence having a specific amino acid sequence, or a functionally active CDR variant thereof. An isolated antibody that specifically binds to [Selection figure] None |