Table 1.
H7N9 serologic results for case-patients and household contacts.
| Subject | Age (year) | Days after symptom onset in case-patients when serum samples were collected | HI titer | PBN titer |
|---|---|---|---|---|
| Case-patient 1 | 79 | 8 | 40 | 20 |
| 14 | 80 | 40 | ||
| 20 | 160 | 80 | ||
| Case-patient 2 | 67 | 9 | 40 | 40 |
| 12 | 80 | 40 | ||
| 17 | 640 | 160 | ||
| Case-patient 3 | 88 | 15 | 80 | 40 |
| 19 | 640 | 160 | ||
| Son of case-patient 1 | 51 | 16 | <10 | <20 |
| Wife of case-patient 2 | 67 | 15 | <10 | <20 |
| Son of case-patient 2 | 42 | 26 | <10 | <20 |
| Elder daughter of case-patient 3 | Not available | 18 | <10 | <20 |
| Younger daughter of case-patient 3 | Not available | 18 | <10 | <20 |