Table 1.
SARS-CoV-2 air concentration, expressed as RNA copies per m3 of air, measured in a private house where a positive person has been isolated.
| days from the 1st test | Sampling methods (sampling duration, air volume sampled) |
Sampling place (room, volume, n° of patients) | ||
|---|---|---|---|---|
| PTFE (60min, 1 m3) |
Glass fiber (20min, 10 m3) |
Biosampler (90 min, 1.1 m3) |
||
| Copies/m3, mean values (n° of samples) | Copies/m3, mean values (n° of samples) | Copies/m3, mean values (n° of samples) | ||
| 3 | 31.1 (3) | 42.1 (1) | – | Office, 33 m3, 1 patient inside |
| 6 | – | – | 39.0 (1) | Bedroom, 55 m3, 1 patient inside |
| 8 | – | 17.5 (5) | – | Office, 33 m3, 1 patient inside |
| 9 | – | 4.9 (2) | – | Bedroom, 55 m3, 1 patient inside |
| 20 | Not detectable (1) | 8.1 (2) | Not detectable (1) | Bedroom, 55 m3, 1 patient inside |