THREE NEW ESCHERICHIA COLI O ANTIGENS O154, O155 AND O156, AND ONE NEW K ANTIGEN, K94

Three Escherichia coli strains representing strains from faeces and foods were established as antigenic test strains for three new E. coli O groups, O154, O155 and O156. One of the strains, O154, was also designated as K antigen test strain for a new E. coli K antigen, K94.