yersinia enterocolitica reference strain ye 75 ( oi = o3 ) eas agglutinated weakly by anti-s. marcescens o2 serum , whereas y. enterocolitica reference strain ye 373 ( ov = o9 ) cross-reacted with s. marcescens anti-o5 rabbit immune serum .
C0030106
o3
C0030054
o2