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. 2010 Nov;16(11):1797–1799. doi: 10.3201/eid1611.101025

Table. Antimicrobial drug resistance of Shigella spp., Papua New Guinea, 2000–2009*.

Drug Total no. isolates tested Sensitivity Shigella sp., no. (%) isolates
S. boydi S. dysenteriae S. flexneri S. sonneii Unknown sp. Total
Amoxicillin
98
S 0 1 (33) 2 (2) 0 1 (100) 4 (4)
R
3 (100)
2 (67)
87 (98)
2 (100)
0
94 (96)
Cephalexin
46
S 2 (67) 2 (100) 38 (100) 2 (100) 1 (100) 45 (98)
I 1 (33) 0 0 0 0 1 (2)
R
0
0
0
0
0
0
Ciprofloxacin
41
S 2 (67) NA 35 (100) 1 (100) 2 (100) 40 (98)
I 1 (33) NA 0 0 0 1 (2)
R
0
0
0
0
0
0
Chloramphenicol
114
S 0 2 (50) 9 (9) 2 (100) 1 (50) 14 (12)
I 0 2 (50) 28 (28) 0 1 (50) 31 (27)
R
4 (100)
0
64 (63)
0
0
68 (60)
Naladixic acid
13
S 1 (100) 0 8 (100) 1 (100) 1 (50) 11 (85)
R
0
1 (100)
0
0
1 (50)
2 (15)
Co-trimoxazole 76 S 1 (25) 1 (33) 9 (14) 0 0 11 (14)
R 3 (75) 2 (67) 57 (86) 2 (100) 1 (100) 65 (86)

*S, sensitive; R, resistant, I, intermediate; NA, not applicable.