Table 1.
The environmental conditions of the confirmed COVID-19 patient rooms in the hospital wards.
| Air sample no. | Hospital ward | Status of door and window | Temperature (°C) | Relative humidity (%) | CO2 concentration (ppm) | Ventilation system |
|---|---|---|---|---|---|---|
| 1 | ICU | 1 D/ 3 W | 24 | 45 | 362 | Mechanical |
| 2 | ICU | 1 D/ 3 W | 24 | 40 | 362 | Mechanical |
| 3 | ICU | 1 D/ 3 W | 25 | 45 | 390 | Mechanical |
| 4 | ICU | 1 D/ 3 W | 24 | 45 | 385 | Mechanical |
| 5 | ICU | 1 D/ 0 W | 24 | 45 | 372 | Mechanical |
| 6 | ICU 2 | 1 D/ 0 W | 25 | 50 | 377 | Not applicable |
| 7 | ICU entrance hall | 1 D/ 0 W | 26 | 40 | 357 | Air conditioner + natural |
| 8 | Hospital entrance hall | 1 D/ 0 W | 27 | 40 | 341 | Natural |
| 9 | Laboratory ward | 1 D/ 2 W | 25 | 45 | 358 | Natural |
| 10 | CT scan | 1 D/ 0 W | 25 | 45 | 375 | Natural |
| 11 | Radiology | 1 D/ 0 W | 25 | 45 | 383 | Natural |
| 12 | Men internal ward | 1 D/ 0 W | 26 | 50 | 377 | Natural |
| 13 | Woman internal ward | 1 D/ 0 W | 26 | 50 | 360 | Natural |
| 14 | Emergency ward | 1 D/ 0 W | 27 | 50 | 354 | Natural |
Not applicable: no hospitalized patients.