TABLE 4.
Distribution of chuA and iucA genes in EAEC isolates from children with diarrhea and apparently healthy controls
| Probe or gene(s) | No. (%) of positive isolates
|
||
|---|---|---|---|
| From children with diarrhea | From controls | Total | |
| Nigerian EAEC isolatesa | |||
| CVD 432 probe | 20 (27.4) | 14 (24.1) | 34 (26.0) |
| chuA | 26 (35.6) | 19 (32.8) | 45 (34.4) |
| iucA | 32 (43.8) | 28 (48.3) | 60 (45.8) |
| chuA and iucAb | 25 (34.2) | 10 (17.2) | 35 (26.7) |
| Brazilian EAEC isolatesc | |||
| CVD 432 probe | 49 (75.4) | 31 (68.9) | 80 (72.7) |
| chuA | 22 (33.9) | 15 (33.3) | 37 (33.6) |
| iucA | 30 (46.2) | 27 (60.0) | 57 (51.8) |
| chuA and iucA | 12 (18.5) | 13 (28.9) | 25 (27.7) |
a
Comprising 73 isolates from children with diarrhea and 58 from controls, for a total of 131.
b
Differences between isolates from children with diarrhea and those from controls were significant (P < 0.03).
c
Comprising 65 isolates from children with diarrhea and 45 from controls, for a total of 110.