Table 5.
Multidrug resistance pattern of Salmonella and Shigella species isolated from food handlers in Dilla University student cafeteria, Southern Ethiopia (November 2018–September 2019) (n = 220).
| Multidrug resistance | Multidrug resistance Salmonella species | Multidrug resistance Shigella species | ||||
|---|---|---|---|---|---|---|
| Serogroup B (n = 3) | Serogroup C (n = 7) | Serogroup D (n = 11) | S. flexneri (n = 4) | S. sonnei (n = 1) | S. boydii (n = 2) | |
| R0 | 0 (0.0%) | 1 (14.3%) | 1 (9.1%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
| R1 | 0 (0.0%) | 1 (14.3%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
| R2 | 1 (33.3%) | 0 (0.0%) | 2 (18.2%) | 1 (25%) | 0 (0.0%) | 0 (0.0%) |
| R3 | 1 (33.3%) | 2 (28.6%) | 2 (18.2%) | 2 (50%) | 1 (100%) | 1 (50%) |
| R4 | 1 (33.3%) | 1 (14.3%) | 1 (9.1%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
| R5 | 0 (0.0%) | 1 (14.3%) | 3 (27.3%) | 1 (25%) | 0 (0.0%) | 1 (50%) |
| R6 | 0 (0.0%) | 0 (0.0%) | 1 (9.1%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
| ≥R7 | 0 (0.0%) | 0 (0.0%) | 1 (9.1%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) |
Ro = bacterial isolate sensitive to all antibiotics, R1, R2, R3, R4, R5, R6, and ≥R7 = bacterial isolate resistance to 1, 2, 3, 4, 5, 6, and ≥7 antibiotics, respectively.