TABLE 3.

Distribution of sic variants from 9.5% of the M1 strains typed by the NCS

sic typeaNo. of sequenced isolates from yrTotal no. of sequenced isolates
1993199419951996199719981999
1.01616641226
1.021553317
1.135115512
1.1781125211
1.78211116
1.181235
1.361214
1.1322
1.17112
1.34112
1.68112
1.88112
1.196112
• a For sic types 1.09, 1.12, 1.26, 1.35, 1.50, 1.66, 1.72, 1.111, 1.163, 1.197, 1.199, 1.253, 1.257, 1.277, 1.278, 1.279, 1.280, 1.281, 1.287, 1.298, 1.299, and 1.300, only one isolate each was identified.