Table 1 Infective Influenza Virus Emission Rates
Source type | Particle size (μm) | Infectious influenza viruses per second | Source description |
|---|---|---|---|
Cough | 2.5 | 0.62 | 15 one second episodes per hour during sleeping hours |
| Â | 7.5 | 0.11 | Â |
Tidal breathing | 0.4 | 8.8E-05 | Constant emission during sleeping hours |
| Â | 0.75 | 1.9E-05 | Â |
| Â | 2.5 | 3.3E-06 | Â |
| Â | 7.5 | 7.8E-07 | Â |