Table 4.
Antimicrobial resistance patterns of bacteria isolated from various wastewater samples and tested for susceptibility to 12 antimicrobials
| Bacterial species (Total No. tested) | Place of collection | Resistance pattern | No with this resistance-pattern | Total No. of antimicrobials to which isolate is resistant |
|---|---|---|---|---|
| Citrobacter spp. (4) | TASH |
Amc,Cpr,Gm,S, Sxt, G, Tmp, Te, Amp,Cf, Fox, Cro,Ctx |
2 | 12 |
| Kality WWTP | Amc,Cpr,G,Te,Amp,Cf,Fox,Cro, | 1 | 9 | |
| Little Akakiriver(1) | Amc, Te, Amp, Cf, Cro | 1 | 5 | |
| Enterobacter aerogenes (3) | Little Akaki river | Amc,Te,Amp,Cf,Fox,Cro, Ctx | 1 | 7 |
| AA abattoir | Amc,S,Amp, Cf | 1 | 4 | |
| AA abattoir | Amc,Amp,Cf, Fox | 1 | 4 | |
| Enterobacter cloacae(6) | TASH | Amc,Cpr,Sxt,G,Tmp,Te,Amp,Cf, Fox,Cro | 2 | 10 |
| Menilik II hospital | Amc,Amp,Cf | 1 | 3 | |
| Kebena river | Amc,Amp,Cf, Fox | 1 | 4 | |
| Kality WWTP | Amc,Amp,Cf, Fox | 1 | 4 | |
| Little Akaki river | TE,Amp,Cf | 1 | 3 | |
| Escherichia coli(18) | TASH | Amc, Cpr, S,Sxt, G, Tmp, TE, Amp, Cf, Fox,Cro | 2 | 11 |
| TASH | Amc,Tmp, Te, Amp, Cf | 1 | 5 | |
| TASH | Amc,Cpr,Amp, Cf | 1 | 4 | |
| Menilik II hospital | Amc, Cpr,S, Te, Amp, Cf, Fox, Cro | 1 | 8 | |
| Menilik II hospital | Amc,Cpr,S,Sxt,G,Tmp,Te,Amp | 1 | 8 | |
| Menilik II hospital | Amc,Cpr, Amp, Cf | 1 | 4 | |
| AA abattoir WWS | Amc,Amp, Cf, Fox | 1 | 4 | |
| AA abattoir WWS | S,Sxt,G,Tmp, Te,AMP, Cf | 1 | 7 | |
| AA abattoir WWS | Amc,S,Sxt,G,Tmp, Te,Amp,Cf, Fox | 1 | 9 | |
| AA abattoir WWS | Amc, Te, Amp, Cf, Fox | 1 | 5 | |
| Kality WWTP | Amc,Amp,Cf, Fox | 1 | 4 | |
| Kality WWTP | Te,Amp, Cf | 1 | 3 | |
| Kebena river | Te,Amp, Cf | 1 | 3 | |
| Little Akaki river | Amc,S,Sxt,G,Tmp, TE,Amp,Cf, Fox | 1 | 9 | |
| Little Akaki river | Amc,TE,Amp,Cf, Cro | 2 | 5 | |
| Klebsiella oxytoca(3) | TASH | Amc,Amp,Cf | 1 | 3 |
| Menilik II hospital | Amc,Amp, Cf | 1 | 3 | |
| Little Akaki river | Amc,Amp, Cf | 1 | 3 | |
| Klebsiella pneumonia(8) | Menilik II hospital | Amc,Amp,Cf,S, Sxt,G,Tmp,Te | 1 | 8 |
| Menilik II hospital | Amc,Amp,S, Cf | 1 | 4 | |
| AA abattoir | Amc,Amp, Cf | 2 | 3 | |
| Kality WWTP | Amc,Cpr,Tmp, Amp,Cf, Fox | 1 | 6 | |
| Kebena river | Amc,Amp,Cf, Fox | 1 | 4 | |
| Kebena river | Te,Amp, Cf | 1 | 3 | |
| Little Akaki river | Te,Amp, Cf | 1 | 3 | |
| Salmonella spp.(12) | TASH | Amp, Cf | 1 | 2 |
| Menilik II hospital | Amp, Cf | 1 | 2 | |
| AA abattoir | Amp, Cf | 1 | 2 | |
| AA abattoir | Amp,Cf, Fox | 1 | 3 | |
| Kality WWTP | Amc,Amp,Cf, Fox | 1 | 4 | |
| Kality WWTP | Amp,Cf, Fox | 1 | 3 | |
| Kebena river | Amc,Sxt,Tmp, Te,Amp,Cf,Fox | 1 | 7 | |
| Kebena river | Te,Amp,Cf | 1 | 3 | |
| Kebena river | Amc,Te,Amp,Cf, Fox | 1 | 5 | |
| Little Akaki river | G,Te, Amp,Cf, Fox | 1 | 4 | |
| Little Akaki river | S,G,Te,Amp,Cf,Fox | 1 | 6 | |
| Little Akaki river | Te,Amp, Cf | 1 | 3 |
Amc amoxicillin+ clavulanic acid, Cip ciprofloxacin, Gm gentamicin, Sxt sulfamethoxazole + trimethoprim, Trm trimethoprim, Te tetracycline, Amp ampicillin, Cf cephalothin, Fox cefoxitin, Cro ceftriaxone, Su sulfisoxazole