Table 2.
Incidence of influenza by subtype, influenza‐associated ILI and ILI by age group per 100 000 population from sentinel surveillance in Romania in 2011/12‐2015/16 influenza seasons
| Influenza‐associated ILI incidence per 100.000 (95% CI) by (sub)type | Influenza‐associated ILI incidence per 100.000 (95% CI) by age group | ILI incidence per 100.000 (95% CI) by age group | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A(H1N1)pdm09 | A(H3) | B | Total | 0‐4 y | 5‐14 y | 15‐64 y | ≥65 y | 0‐4 y | 5‐14 y | 15‐64 y | ≥65 y | Total | |
| 2011/12 | ‐ | 32 (27‐38) | 0 (0‐34) | 32 (27‐38) | 108 (90‐128) | 49 (41‐59) | 24 (20‐29) | 14 (12‐17) | 403 (337‐480) | 175 (145‐211) | 88 (78‐99) | 67 (50‐91) | 118 (108‐128) |
| 2012/13 | 12 (8‐18) | 1 (0‐8) | 23 (18‐31) | 36 (4‐331) | 82 (66‐102) | 68 (7‐621) | 31 (3‐286) | 10 (1‐92) | 304 (247‐375) | 162 (132‐198) | 81 (72‐92) | 34 (22‐53) | 99 (91‐109) |
| 2013/14 | 8 (5‐11) | 15 (11‐20) | 0 (0‐4) | 23 (19‐29) | 70 (56‐87) | 29 (23‐36) | 21 (17‐26) | 10 (8‐12) | 225 (175‐291) | 84 (62‐112) | 59 (51‐68) | 30 (19‐49) | 68 (61‐76) |
| 2014/15 | 41 (29‐58) | 70 (55‐89) | 78 (60‐102) | 189 (149‐240) | 395 (340‐460) | 439 (346‐557) | 146 (115‐185) | 81 (63‐102) | 748 (624‐896) | 730 (649‐821) | 238 (218‐261) | 139 (107‐182) | 318 (298‐338) |
| 2015/16 | 53 (43‐66) | 5 (3‐11) | 12 (6‐24) | 71 (58‐86) | 207 (170‐251) | 139 (115‐169) | 56 (46‐68) | 22 (18‐27) | 759 (633‐911) | 443 (380‐515) | 142 (126‐160) | 64 (42‐96) | 205 (189‐221) |
ILI: influenza‐like illness.
95% CI: 95% confidence interval.