Cockroaches as a Source of High Bacterial Pathogens with Multidrug Resistant Strains in Gondar Town, Ethiopia
Table 2
Resistance rates of bacterial isolates identified from cockroaches, Gondar, 2014.
Bacterial isolates
Antibiotics
GEN
SXT
TE
C
AMC
CIP
NA
CTR
CAZ
MET
VAN
PEN
ERY
S. aureus
0
0
0
0
0
0
NT
NT
NT
0
0
14 (100)
0
CNS
0
2 (28.6)
1 (14.3)
0
0
0
NT
NT
NT
0
0
7 (100)
1 (14.3)
E. coli
3 (10.3)
4 (13.8)
4 (13.8)
2 (6.9)
4 (13.8)
0
3 (10.3)
3 (10.3)
4 (13.8)
NT
NT
NT
NT
Citrobacter spp.
2 (7.4)
8 (29.6)
8 (29.6)
6 (22.2)
11 (40.7)
0
1 (3.7)
6 (22.2)
9 (33.3)
NT
NT
NT
NT
Enterobacter spp.
6 (28.6)
8 (38.1)
5 (23.8)
5 (23.8)
9 (42.9)
0
1 (4.8)
5 (23.8)
7 (33.3)
NT
NT
NT
NT
K. pneumoniae
11 (34.4)
17 (53.1)
14 (43.8)
5 (15.6)
NT
0
0
10 (31.3)
13 (40.6)
NT
NT
NT
NT
Other Klebsiella spp.
0
0
0
1 (14.3)
3 (42.9)
0
0
0
0
NT
NT
NT
NT
Shigella spp.
6 (46.2)
10 (76.9)
7 (53.8)
9 (69.2)
2 (15.4)
0
1 (7.7)
7 (53.8)
9 (69.2)
NT
NT
NT
NT
Providencia spp.
6 (37.5)
6 (37.5)
NT
0
11 (68.8)
2 (12.5)
2 (12.5)
4 (25)
4 (25)
NT
NT
NT
NT
Serratia spp.
0
1 (11.1)
0
0
1 (11.1)
0
0
1 (11.1)
1 (11.1)
NT
NT
NT
NT
Proteus spp.
0
0
NT
2 (100)
0
0
0
0
0
NT
NT
NT
NT
Salmonella spp.
3 (75)
4 (100)
3 (75)
3 (75)
0
0
0
3 (75%)
3 (75%)
NT
NT
NT
NT
Total ()
37 (20.4)
60 (33.1)
42 (25.8)
33 (18.2)
41 (27.5)
2 (1.1)
8 (5)
39 (24.4)
50 (31.3)
0
0
21 (100)
1 (4.8)
NT, not tested; NT isolates were not included in the denominator; GEN, gentamycin; SXT, cotrimoxazole; TE, tetracycline; C, chloramphenicol; AMC, amoxicillin-clavulanic acid; CIP, ciprofloxacin; NA, nalidixic acid; CTR, ceftriaxone; CAZ, ceftazidime; MET, methicillin; VAN, vancomycin; PEN, penicillin; ERY, erythromycin; S. aureus, Staphylococcus aureus; CNS, coagulase negative staphylococci; E. coli, Escherichia coli; Enterobacter species, Enterobacter cloacae and aerogenes; K. pneumoniae, Klebsiella pneumoniae; other Klebsiella species, Klebsiella ozaenae and rhinoscleromatis.