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Table 1 Distribution of shigellosis cases and incidence rates in the villages/tribes of Zhouxi Township, 20002007 a

From: Infrequent cross-transmission of Shigella flexneri 2a strains among villages of a mountainous township in Taiwan with endemic shigellosis

  V1 V2-1 V2-2 V3 V5 V6 Total Incidence rate (/100000)
2000   2 5 (5)     7 (5) 98.7
2001 2 (2) 3 (1) 1 (1) 1 6 (6)   13 (10) 184.1
2002   3 (1)     1 4 (1) 57.7
2003   4      4 58.8
2004   4 9   4   17 253.4
2005   2    3 1 6 89.9
2006     1 (1) 1   2 (1) 30.2
2007   2b      2 30.7
Total 2 (2) 20 (2) 15 (6) 2 (1) 14 (6) 2 55 (17) 101. 1
  1. aThirty eight cases were caused by Shigella flexneri 2a; number in parenthesis indicates the number of cases caused by S. sonnei but the case in village V3 in 2006 was caused by S. flexneri 3b. bThe onset date of the last shigellosis case was March 1, 2007; no shigellosis case was reported from March 2, 2007 to December 31, 2010.