From: High level of drug resistance by gram-negative bacteria from selected sewage polluted urban rivers in Addis Ababa, Ethiopia
Bacterial isolates
Frequency
Percent (%)
E. coli
23
26
K. pneumoniae
18
20
K. oxytoca
17
19
P. alcalifaciens
10
11
C. Freundii
P. rettgeri
8
9
M. morganii
4
Total
90
100%