Antigenic scheme for Citrobacter koseri (syn. C. diversus, Levinea malonatica); three new antigens recognized in strains from Israel

An antigenic scheme for Citrobacter koseri was described previously and consisted of 14 'O' antigens. Three additional antigens are now added to the scheme and type strains for these antigens are designated. Their origins and their biochemical and serological reactions are described.