Table 4.
ARDs detected in Shigella spp., by geographic location (percent of isolates positive).
| ARD | USA (n = 7) | Cambodia (n = 11) | Egypt (n = 12) | Peru (n = 6) | Kenya (n = 9) |
|---|---|---|---|---|---|
| bla LEN | nd * | nd | 8% | nd | nd |
| blaOXA-1 family | 29% | 9% | 67% | 67% | nd |
| blaSHV family | nd | nd | 8% | nd | nd |
| blaTEM family | 14% | 18% | 25% | 17% | 56% |
| blaCTX-M-1 family | nd | nd | 8% | nd | nd |
| blaCTX-M-9 family | nd | nd | 17% | nd | nd |
| aac(6)-Ib | nd | nd | nd | 17% | nd |
| aadA1/A2 | 57% | 18% | 100% | 67% | 44% |
| aadA4 | nd | nd | nd | 17% | nd |
| strA | 57% | 27% | 50% | 50% | 100% |
| strB | 57% | 36% | 50% | 50% | 100% |
| mac(A) | 86% | 18% | 100% | 100% | 33% |
| mac(B) | 86% | 9% | 83% | 100% | 33% |
| mph(A)/mph(K) | nd | nd | nd | 17% | 33% |
| tet(A) | 57% | 18% | 33% | nd | 78% |
| tet(B) | 29% | 73% | 67% | 100% | 11% |
| arr | nd | nd | nd | 17% | nd |
| catA1/cat4 | 14% | 18% | 58% | 67% | nd |
| cmr | 100% | 73% | 100% | 100% | 44% |
| qnrS | nd | nd | 8% | nd | 11% |
| qacEΔ1 | 14% | nd | 8% | 17% | 11% |
| sat2 | 43% | 18% | 67% | 17% | 44% |
| sul1 | 14% | nd | nd | 14% | 11% |
| sul2 | 57% | 27% | 75% | 67% | 100% |
| dfrA1 | 43% | 18% | 75% | 17% | 44% |
| dfrA5 | nd | nd | nd | nd | 11% |
| dfrA7 | 14% | nd | nd | nd | 11% |
| dfrA8 | nd | nd | nd | 14% | 11% |
| dfrA14 | nd | 9% | 8% | 33% | 11% |
| dfrA17 | nd | nd | nd | 17% | nd |
* not detected.