Table 1.
Influenza by (sub)type, ILI and catchment population of the sentinel surveillance system by age in Romania in 2011/12‐2015/16 influenza seasons
| Season | Influenzan | ILI casesn (% of the total ILI cases) | Catchment populationN | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A(H1N1)pdm09 | A(H3) | B | Total specimens | Total positives n (%) | 0‐4 y | 5‐14 y | 15‐64 y | ≥65 y | Total | 0‐4 y | 5‐14 y | 15‐64 y | ≥65 y | Total | |
| 2011/12 | 0 | 182 | 1 | 668 | 183 (27.4) | 184 (23.1) | 164 (20.6) | 380 (47.6) | 70 (8.8) | 798 | 45 620 | 93 597 | 432 558 | 104 487 | 676 261 |
| 2012/13 | 45 | 3 | 78 | 454 | 126 (27.8) | 134 (20.2) | 144 (21.7) | 352 (52.9) | 35 (5.3) | 665 | 43 789 | 88 172 | 431 824 | 102 810 | 666 594 |
| 2013/14 | 42 | 79 | 3 | 379 | 127 (33.5) | 94 (20.5) | 72 (15.7) | 261 (57) | 31 (6.8) | 458 | 41 493 | 85 683 | 439 629 | 102 849 | 669 653 |
| 2014/15 | 56 | 106 | 85 | 445 | 247 (55.5) | 176 (13.4) | 399 (30.4) | 649 (49.5) | 87 (6.6) | 1311 | 23 456 | 54 348 | 270 321 | 62 107 | 410 231 |
| 2015/16 | 122 | 18 | 16 | 441 | 156 (35.4) | 175 (20.7) | 245 (29) | 384 (45.5) | 40 (4.7) | 844 | 23 002 | 55 336 | 271 221 | 62 390 | 411 948 |
ILI, influenza‐like illness.