Table 1. Distribution of nasal symptoms with grade of inflammation of nasal smear.
| Grade of inflammation | Nasal blockage | Runny nose | Itching | Sneezing | ||||
| Yes | No | Yes | No | Yes | No | Yes | No | |
| 0 (no) | 9 | 0 | 8 | 1 | 7 | 2 | 9 | 0 |
| 1+ (mild) | 33 | 7 | 31 | 9 | 34 | 6 | 39 | 1 |
| 2+ (moderate) | 32 | 6 | 36 | 2 | 27 | 11 | 38 | 0 |
| 3+ (marked) | 24 | 4 | 24 | 4 | 26 | 2 | 27 | 1 |