Table 3. Number and percentage of bacterial and fungal groups isolated from studied air samples in the ambulance and outdoor air samples.
| Microbial identification | Number (%) of isolated colonies in ambulance air | Number (%) of isolated colonies in outdoor air |
|---|---|---|
| Before ambulance runs | ||
| Bacteria | n=91 | n=84 |
| Staphylococcus spp. | 47(51.6)* | 40(47.6)* |
| Gram negative bacilli | 32(35.2) | 29(34.5) |
| Gram positive bacilli | 12(13.2) | 15 (17.9) |
| Fungi | n=124 | n=98 |
| Aspergillus spp. | 69(55.6) | 52(53.1) |
| Penicillium spp. | 46(37.2) | 26(26.5) |
| Fusarium spp. | 4(3.2) | 5(5.1) |
| Septate hypha fungi | 2(1.6) | 13(13.3) |
| Rizopus and Mucor | 3(2.4) | 2(2.0) |
| During ambulance runs | ||
| Bacteria | n=90 | n=84 |
| Staphylococcus spp. | 43(47.8)* | 38(46.4)* |
| Gram negative bacilli | 34(37.8) | 28(32.1) |
| Gram positive bacilli | 13(14.4) | 18(19.7) |
| Fungi | n=121 | n=98 |
| Aspergillus spp. | 71(58.7) | 54(55.1) |
| Penicillium spp. | 44(36.3) | 25(25.5) |
| Fusarium spp. | 2(1.7) | 6(6.1) |
| Septate hypha fungi | 1(0.8) | 10(10.2) |
| Rizopus and Mucor | 3(2.5) | 3(3.1) |
*The majority (81–86%) were Staphylococcus aureus