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. 2024 Mar 25;11(Suppl 1):S25–S33. doi: 10.1093/ofid/ofad576

Table 3.

Interpretation of Shigella flexneri Agglutination Results Using Monovalent Antisera

Antigenic Type Antisera Interpretation
Typing Sera Grouping Sera
I II III IV V VI 3(4) 6 7(8)
I:4 + + Shigella flexneri 1a
I:4,6 + + + S flexneri 1b
I:7,8 + + S flexneri 1d
II:3,4 + + S flexneri 2a
II:7,8 + + S flexneri 2b
III:(3,4),6,7,8 + +/− + + S flexneri 3a
III:(3,4),6 + +/− + S flexneri 3b
IV:3,4 + +/− S flexneri 4a
IV:6 + + S flexneri 4b
V:3,4 + + S flexneri 5a
V:7,8 + + S flexneri 5b
VI:(4) + +/− S flexneri 6
−:7,8 + S flexneri X
−:3,4 + S flexneri Y