Table 1.
Bacterial isolates identified from external and internal surfaces of cockroaches, Gondar, 2014.
| Bacterial isolate | External surfaces | Internal surfaces | Total | ||
|---|---|---|---|---|---|
| Hosp | Non-hosp | Hosp | Non-hosp | ||
| S. aureus | 9 (69.2) | 4 (30.8) | 1 (100) | 0 | 14 (7.7) |
| CNS | 3 (42.9) | 4 (57.1) | 0 | 0 | 7 (3.9) |
| E. coli | 6 (37.5) | 10 (62.5) | 5 (38.5) | 8 (61.5) | 29 (16) |
| Citrobacter spp. | 5 (33.3) | 10 (66.7) | 4 (33.3) | 8 (66.7) | 27 (15) |
| Enterobacter spp. | 5 (45.5) | 6 (54.5) | 4 (40) | 6 (60) | 21 (11.6) |
| K. pneumoniae | 13 (76.5) | 4 (23.5) | 12 (80) | 3 (20) | 32 (17.7) |
| Other Klebsiella spp. | 0 | 6 (100) | 0 | 1 (100) | 7 (3.9) |
| Shigella spp. | 6 (75) | 2 (25) | 3 (60) | 2 (40) | 13 (7.2) |
| Providencia spp. | 5 (62.5) | 3 (37.5) | 6 (75) | 2 (25) | 16 (8.8) |
| Serratia spp. | 1 (14.3) | 6 (85.7) | 1 (50) | 1 (50) | 9 (5) |
| Proteus spp. | 0 | 1 (100) | 0 | 1 (100) | 2 (1) |
| Salmonella spp. | 1 (100) | 0 | 3 (100) | 0 | 4 (2.2) |
|
| |||||
| Total | 54 (49.1) | 56 (50.9) | 39 (54.9) | 32 (45.1) | 181 (100) |
S. aureus, Staphylococcus aureus; CNS, coagulase negative staphylococci; E. coli, Escherichia coli; Enterobacter species, Enterobacter cloacae and aerogenes; K. pneumonia, Klebsiella pneumoniae; other Klebsiella species, Klebsiella ozaenae and rhinoscleromatis; Hosp, hospital environment; Non-hosp, nonhospital environment.