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Filtration efficiency of medical protection mask material against phage f2 aerosol
| Sample number | Aerosol concentration before filtration (PFU/m3) | Aerosol concentration after filtration (PFU/m3) | Filtration efficiency (%) |
|---|---|---|---|
| 1# | 16,580 | <17 | >99 |
| 2# | 17,108 | <17 | >99 |
| 3# | 16,326 | <17 | >99 |
| 4# | 17,704 | <17 | >99 |
| 5# | 16,682 | <17 | >99 |
Phage f2 suspension was 106 PFU/ml and the nebulizer flow rate was 10 L/mi
