Antigenic Identity of Shigella alkalescens Type I and Kauffmann's Escherichia O Group 1

Abstract

Agglutination and agglutinin-absorption tests were performed, using 6 antiserums and boiled antigens of 15 strains of E. coli of Kauffmann''s O group 1 and 9 strains of S. alkalescens Type I. All strains proved to have identical O antigens.