This supplement reports the characterization of 36 new Salmonella sero
vars recognized in 1993 by the WHO Collaborating Centre for Reference
and Research on Salmonella: 26 were assigned to S. enterica subsp. ent
erica, 5 to subspecies salamae, 1 to subspecies arizonae, 2 to subspec
ies diarizonae, 1 to subspecies houtenae and 1 to S. bongori.