Table 1. Number of reported casesa of tick-borne encephalitis, percentage of imported cases, notification rate per 100,000 population and trend, in 25 countries, European Union and European Economic Area, 2012–2016 (n = 12,500).
| Country | 2012 | 2013 | 2014 | 2015 | 2016 | Total cases | Trend | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of cases | Notification rate | Number of cases | Notification rate | Number of cases | Notification rate | Number of cases | Notification rate | Number of cases | Notification rate | Number of cases | Imported cases n (%)b |
Notification rate | Annual variation (%) | 95% CI | |
| Austria | 38 | 0.45 | 100 | 1.18 | 81 | 0.95 | 79 | 0.92 | 95 | 1.09 | 393 | 6 (1.7) | 0.92 | 15.2 | - 19.6 to 49.9 |
| Belgium | 2 | 0.02 | 1 | 0.01 | 0 | 0.00 | 1 | 0.01 | 1 | 0.01 | 5 | 3 (100) | 0.01 | NA | NA |
| Bulgaria | 0 | 0.00 | 2 | 0.03 | 0 | 0.00 | 2 | Unknown | < 0.01 | NA | NA | ||||
| Croatia | 45 | 1.05 | 44 | 1.03 | 23 | 0.54 | 26 | 0.62 | 6 | 0.14 | 144 | Unknown | 0.68 | - 45.1 | - 90.5 to 0.3 |
| Czech Republic | 573 | 5.45 | 625 | 5.94 | 410 | 3.90 | 349 | 3.31 | 565 | 5.35 | 2,522 | 16 (0.6) | 4.79 | - 6.2 | - 33.0 to 20.6 |
| Estonia | 178 | 13.43 | 114 | 8.64 | 83 | 6.31 | 116 | 8.82 | 81 | 6.16 | 572 | 2 (0.3) | 8.68 | - 15.4 | - 39.0 to 8.2 |
| Finland | 39 | 0.72 | 38 | 0.70 | 47 | 0.86 | 68 | 1.24 | 61 | 1.11 | 253 | Unknown | 0.93 | 14.4 | 0.7 to 28.1 |
| France | 1 | < 0.01 | 2 | < 0.01 | 9 | 0.01 | 10 | 0.02 | 22 | 0.03 | 44 | 9 (21.4) | 0.01 | 77.3 | 42.0 to 112.7 |
| Germany | 195 | 0.24 | 419 | 0.52 | 264 | 0.33 | 219 | 0.27 | 348 | 0.42 | 1,445 | 47 (3.5) | 0.36 | 4.6 | - 31.1 to 40.2 |
| Greece | 0 | 0.00 | 0 | 0.00 | 1 | 0.01 | 1 | 0.01 | 0 | 0.00 | 2 | 0 | < 0.01 | NA | NA |
| Hungary | 44 | 0.44 | 53 | 0.53 | 31 | 0.31 | 24 | 0.24 | 19 | 0.19 | 171 | 2 (1.2) | 0.35 | - 24.5 | - 42.9 to - 6.1 |
| Ireland | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0 | 0 | NA | NA |
| Italy | 0 | 0.00 | 0 | 0.00 | 5 | 0.01 | 48 | 0.08 | 53 | 3 (6.3) | 0.02 | NA | NA | ||
| Latvia | 229 | 11.20 | 230 | 11.36 | 149 | 7.44 | 141 | 7.10 | 204 | 10.36 | 953 | 0 | 9.51 | - 6.3 | - 30.2 to 17.7 |
| Lithuania | 494 | 16.45 | 487 | 16.39 | 353 | 11.99 | 336 | 11.50 | 633 | 21.91 | 2,303 | 18 (0.9) | 15.64 | 2.2 | - 28.3 to 32.7 |
| Luxembourg | NA | NA | NA | NA | 0 | 0.00 | 1 | 0.18 | 0 | 0.00 | 1 | 1 (100) | 0.06 | NA | NA |
| The Netherlands | NA | NA | NA | NA | NA | NA | NA | NA | 4 | 0.02 | 4 | 2 (50.0) | 0.02 | NA | NA |
| Norway | 7 | 0.14 | 6 | 0.12 | 13 | 0.25 | 9 | 0.17 | 12 | 0.23 | 47 | 7 (15.9) | 0.18 | 13.7 | - 13.9 to 41.3 |
| Poland | 187 | 0.49 | 226 | 0.59 | 195 | 0.51 | 149 | 0.39 | 283 | 0.75 | 1,040 | 8 (0.8) | 0.55 | 4.2 | - 22.4 to 30.7 |
| Romania | 3 | 0.01 | 3 | 0.01 | 1 | 0.01 | 0 | 0.00 | 0 | 0.00 | 7 | 0 | < 0.01 | NA | NA |
| Slovakia | 102 | 1.89 | 163 | 3.01 | 116 | 2.14 | 84 | 1.55 | 173 | 3.19 | 638 | 5 (0.8) | 2.36 | 3.8 | - 31.2 to 38.9 |
| Slovenia | 164 | 7.98 | 307 | 14.91 | 100 | 4.85 | 62 | 3.01 | 83 | 4.02 | 716 | 1 (0.2) | 6.95 | - 29.7 | - 78.6 to 19.2 |
| Spain | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0 | 0 | NA | NA |
| Sweden | 287 | 3.03 | 209 | 2.19 | 178 | 1.85 | 268 | 2.75 | 238 | 2.42 | 1,180 | 21 (1.8) | 2.44 | - 2.2 | - 24.3 to 19.9 |
| UK | 3 | < 0.01 | 0 | 0.00 | 2 | < 0.01 | 0 | 0.00 | 0 | 0.00 | 5 | 5 (100) | < 0.01 | NA | NA |
| EU/EEA | 2,591 | 0.64 | 3,027 | 0.65 | 2,056 | 0.43 | 1,950 | 0.41 | 2,876 | 0.58 | 12,500 | 156 (1.3) | 0.54 | - 6.6 | - 29.1 to 16.0 |
CL: confidence interval; EU/EEA: European Union and European Economic Area; NA: not available; UK: United Kingdom.
a Number of cases includes both confirmed and probable cases.
b cases with known importation status.