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Table 2 Prevalence of the four virulence-associated genes in Malaysian Shigella spp.

From: Detection of virulence genes in Malaysian Shigellaspecies by multiplex PCR assay

Serotype Total strains set1B(%) set1A(%) ial(%) ipaH(%)
S. flexneri 1a 3 0 (0) 0 (0) 1 (33) 3 (100)
1b 3 0 (0) 0 (0) 0 (0) 3 (100)
2a 47 41 (87) 41 (87) 19 (40) 47 (100)
3a 18 3 (17) 3 (17) 12 (67) 18 (100)
3c 10 0 (0) 0 (0) 1 (10) 10 (100)
4a 1 1 (100) 1 (100) 1 (100) 1 (100)
6 1 0 (0) 0 (0) 1 (100) 1 (100)
y 1 0 (0) 0 (0) 0 (0) 1 (100)
S. sonnei 15 0 (0) 0 (0) 2 (13) 15 (100)
S. dysenteriae 2 10 0 (0) 0 (0) 8 (80) 10 (100)
S. boydii 6 1 0 (0) 0 (0) 0 (0) 1 (100)
Total 110 45 45 45 110