The 94 participants in the study yielded, 31 differentSalmonella
serotypes (and phage types for S. Typhimurium cases) (Table 1
outlines the serotypes identified in three or more participants).S.
Typhimurium phage type 9 (STM 9) was the cause of illness in 15
cases, followed byS.Infantis with 12 cases andS.Typhimurium phage
type 135 (STM 135) with 10 cases.S.Typhimurium accounted for 58
of the 94 (61.7%) cases included in the study