| (A) | ||||
|---|---|---|---|---|
| Season 2016/17 | Controls | Cases | adjusted IVE | |
| Vacc/unvacc | Vacc/unvacc | IVE (%) | CI (95%) | |
| Influenza A(H3N2), N = 767 | adj. sex, (age), comorbidity | |||
| All patients | 20/305 | 37/405 | −26 | −128 to 31 |
| 0–14 | 1/49 | 3/89 | −65 | −1,531 to 83 |
| 15–64 | 12/212 | 17/242 | −7 | −131 to 51 |
| 65+ | 7/32 | 17/55 | −25 | −264 to 57 |
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