Table 5

Serotypes and subserotypes of Shigella

Shigella species (subgroup)Serotypes and/or subserotypes
S. dysenteriae (A)1–15
S. flexneri (B)1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 4c, 5a, 5b, 6, X, Y
S. boydii (C a )1–20
S. sonnei (D)NA b
  • a S. boydii type 13 was recently reclassified as E. albertii (416).

  • b NA, not applicable.