TABLE 1.
Correlation between serotype and pulsotype distribution of 163 S. flexneri isolates
| Isolate charac- teristics | No. of S. flexneri isolates in PT75 pulsotype:
|
||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7a | 8a | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21–40b | 41–47b | Total | |
| Collection period | |||||||||||||||||||||||
| 1986–87c | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 12 | 4 | 0 | 0 | 0 | 7 | 2 | 3 | 8 | 2 | 3 | 0 | 20 | 0 | 63 |
| 1994–95 | 33 | 13 | 3 | 21 | 4 | 2 | 2 | 2 | 1 | 0 | 2 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | 100 |
| Serotype | |||||||||||||||||||||||
| I | 9 | 2 | 3 | 2 | 9 | 1 | 26 | ||||||||||||||||
| II | 33 | 13 | 3 | 21 | 5 | 3 | 1 | 1 | 13 | 4 | 2 | 3 | 3 | 8 | 5 | 3 | 121 | ||||||
| Others | 1 | 1 | 2 | 3 | 6 | 3 | 16 | ||||||||||||||||
a
Pulsotype contained more than one serotype.
b
There was a single isolate in each of these pulsotypes.
c
Mann-Whitney U test, P = 0.0001.