TABLE 2.

Numbers of Shigella spp. isolated monthly from townships of Nantou County from 1995 to 2000

MonthNo. of Shigella isolates recovered in indicated township or city in the yeara
1995 (n = 8)1996 (n = 41)1997 (n = 60)1998 (n = 57)1999 (n = 35)2000 (n = 20)
RenaiHsiniYuchrRenaiPuliHsiniRenaiPuliHsiniYuchrNantouRenaiPuliHsiniYuchrGuoshingJushanRenaiPuliHsiniRenaiPuliHsini
January12311
February111331111
March311
April11 (3b)1 (3b)122
May612 (2:Ss)21 (Ss)1
June1 (y)7 (1:y)121211 (N)2 (2:1b)
July31 (Sb)2131331 (1b)
August21841 (Ss)81213
September1 (3a)19126 (2:Ss)192 (1:Ss)111
October731 (Ss)26 (6:Ss)13 (1:N)1
November15114 (4:Ss)23 (3:3a)
December1 (y)1113 (1:Ss)11 (Ss)2 (1:1a)11
Total431354241134113293211021771145
  • a S. flexneri isolates with serotypes other than 2a are indicated with 3a, 3b, Y, 1a, 1b, and N (nontypable) in parentheses; species of S. boydii and S. sonnei are also indicated in parentheses with Sb and Ss, respectively.