Extended Enteric Bacterial Verification Panel (Inactivated Pellet) includes 21 pellets each comprised of 8 organisms: S. Typhimurium derived from NCTC 74, S. sonnei derived from NCTC 12984, E. coli derived from CDC 2010C-3114 (STEC) , C. jejuni derived from NCTC 11322, P. shigelloides derived from NCTC 10363, Y. enterocolitica derived from NCTC 11174, E. coli derived from NCTC 11602 (ETEC), V. parahaemolyticus derived from NCTC 13209