TABLE 1.

Prevalence data and the number and percentages of the different Shigella species and serotypes isolated from Henan Province of China in 2006

PrevalenceNo. (percentage) of the different Shigella species and serotypes
Surveillance point (area type), populationNo. of samplesNo. (%) of isolatesS. flexneri serotype 1a [I:-]S. flexneri serotype 1a [I:(3),4]S. flexneri untypable serotype [I:(7),8]S. flexneri serotype 2aS. flexneri serotype 2b [II:(7),8]S. flexneri serotype 2b [II:(3),4;(7),8]S. flexneri serotype 4a [IV:-]S. flexneri serotype 4a [IV:(3),4]S. flexneri variant X [IV:(7),8]S. flexneri variant XS. flexneri variant YS. flexneri untypable serotype [-:6]S. sonnei
Sui County (rural area), 800,000725202 (27.9)2 (1.0)13 (6.4)3 (1.5)51 (25.2)7 (3.5)10 (5.0)4 (2.0)3 (1.5)33 (16.3)13 (6.4)6 (3.0)2 (1.0)55 (27.2)
Zhengzhou (urban area), 7,356,00056448 (8.5)08 (16.7)07 (14.6)1 (2.1)2 (4.2)0018 (37.5)1 (2.1)0011 (22.9)
Jiyuan (rural area), 680,00061425 (4.1)010 (40.0)06 (24.0)1 (4.0)0006 (24.0)2 (8.0)000
Shangqiu (urban area), 8,243,70093829 (3.1)02 (6.9)1 (3.4)6 (20.7)001 (3.4)013 (44.8)1 (3.4)1 (3.4)04 (13.8)
Zhoukou (urban area), 10,860,00039198 (25.1)012 (12.2)023 (23.5)2 (2.0)2 (2.0)2 (2.0)027 (27.6)1 (1.0)0029 (30.0)
Anyang (urban area), 5,420,00029965 (21.7)09 (13.8)04 (6.2)03 (4.6)1 (1.5)032 (32.7)2 (3.1)0014 (21.5)
Total no. (%)3531467 (13.2)2 (0.4)54 (11.6)4 (0.9)97 (20.8)11 (2.4)17 (3.6)8 (1.7)3 (0.6)129 (27.6)20 (4.3)7 (1.5)2 (0.4)113 (24.2)