Influenza and Acute Respiratory Infections Information System
National center of infectious and parasitic diseases
USAID
BG EN
Incidence (
) of influenza and ARI for the period from 13-04-2026 to 19-04-2026 (week 16)
| Region | Number of health care facilities | Number of persons under surveillance | Number of cases | Incidence per 10,000 | |||||||||||||||
| Age groups | Age groups | Age groups | |||||||||||||||||
| 0-4 | 5-14 | 15-29 | 30-64 | 65+ | Total | 0-4 | 5-14 | 15-29 | 30-64 | 65+ | Total | 0-4 | 5-14 | 15-29 | 30-64 | 65+ | Total | ||
| Blagoevgrad | 11 | 292 | 643 | 971 | 3 059 | 1 303 | 6 268 | 5 | 5 | 5 | 4 | 4 | 23 | 171.23 | 77.76 | 51.49 | 13.08 | 30.70 | 36.69 |
| Burgas | 12 | 860 | 1 972 | 2 810 | 9 274 | 4 129 | 19 045 | 29 | 43 | 42 | 32 | 6 | 152 | 337.21 | 218.05 | 149.47 | 34.51 | 14.53 | 79.81 |
| Dobrich | 8 | 255 | 605 | 826 | 3 435 | 1 835 | 6 956 | 7 | 3 | 1 | 16 | 3 | 30 | 274.51 | 49.59 | 12.11 | 46.58 | 16.35 | 43.13 |
| Gabrovo | 5 | 139 | 383 | 513 | 2 205 | 1 269 | 4 509 | 11 | 9 | 4 | 10 | 2 | 36 | 791.37 | 234.99 | 77.97 | 45.35 | 15.76 | 79.84 |
| Haskovo | 9 | 249 | 655 | 805 | 3 104 | 1 518 | 6 331 | 8 | 4 | 13 | 13 | 4 | 42 | 321.29 | 61.07 | 161.49 | 41.88 | 26.35 | 66.34 |
| Kardjali | 2 | 197 | 519 | 629 | 2 501 | 1 019 | 4 865 | 3 | 8 | 2 | 6 | 3 | 22 | 152.28 | 154.14 | 31.80 | 23.99 | 29.44 | 45.22 |
| Kjustendil | 6 | 147 | 326 | 432 | 1 660 | 890 | 3 455 | 3 | 2 | 2 | 6 | 4 | 17 | 204.08 | 61.35 | 46.30 | 36.14 | 44.94 | 49.20 |
| Lovech | 2 | 85 | 227 | 464 | 1 082 | 877 | 2 735 | 3 | 2 | 5 | 0 | 0 | 10 | 352.94 | 88.11 | 107.76 | 0.00 | 0.00 | 36.56 |
| Montana | 6 | 148 | 405 | 434 | 1 930 | 832 | 3 749 | 5 | 7 | 1 | 6 | 2 | 21 | 337.84 | 172.84 | 23.04 | 31.09 | 24.04 | 56.01 |
| Pazardjik | 5 | 229 | 531 | 631 | 2 669 | 1 370 | 5 430 | 13 | 12 | 5 | 10 | 0 | 40 | 567.69 | 225.99 | 79.24 | 37.47 | 0.00 | 73.66 |
| Pernik | 10 | 259 | 651 | 837 | 3 320 | 1 513 | 6 580 | 13 | 16 | 8 | 12 | 1 | 50 | 501.93 | 245.78 | 95.58 | 36.14 | 6.61 | 75.99 |
| Pleven | 6 | 324 | 791 | 1 162 | 4 334 | 2 246 | 8 857 | 19 | 19 | 5 | 10 | 5 | 58 | 586.42 | 240.20 | 43.03 | 23.07 | 22.26 | 65.48 |
| Plovdiv | 12 | 1 677 | 3 340 | 5 187 | 16 075 | 6 673 | 32 952 | 62 | 68 | 15 | 88 | 15 | 248 | 369.71 | 203.59 | 28.92 | 54.74 | 22.48 | 75.26 |
| Razgrad | 4 | 142 | 270 | 329 | 1 390 | 608 | 2 739 | 5 | 3 | 2 | 1 | 0 | 11 | 352.11 | 111.11 | 60.79 | 7.19 | 0.00 | 40.16 |
| Russe | 7 | 470 | 1 094 | 1 568 | 5 944 | 2 996 | 12 072 | 9 | 21 | 21 | 17 | 13 | 81 | 191.49 | 191.96 | 133.93 | 28.60 | 43.39 | 67.10 |
| Shumen | 8 | 267 | 657 | 850 | 3 338 | 1 552 | 6 664 | 4 | 8 | 7 | 14 | 3 | 36 | 149.81 | 121.77 | 82.35 | 41.94 | 19.33 | 54.02 |
| Silistra | 4 | 84 | 214 | 258 | 1 312 | 820 | 2 688 | 3 | 3 | 2 | 5 | 3 | 16 | 357.14 | 140.19 | 77.52 | 38.11 | 36.59 | 59.52 |
| Sliven | 7 | 426 | 907 | 1 062 | 3 649 | 1 782 | 7 826 | 0 | 10 | 6 | 18 | 10 | 44 | 0.00 | 110.25 | 56.50 | 49.33 | 56.12 | 56.22 |
| Smolyan | 5 | 73 | 242 | 260 | 1 247 | 626 | 2 448 | 0 | 1 | 1 | 0 | 0 | 2 | 0.00 | 41.32 | 38.46 | 0.00 | 0.00 | 8.17 |
| Sofia | 7 | 546 | 1 154 | 1 505 | 5 333 | 2 303 | 10 841 | 43 | 36 | 13 | 19 | 3 | 114 | 787.55 | 311.96 | 86.38 | 35.63 | 13.03 | 105.16 |
| Sofia capital | 25 | 6 011 | 12 091 | 19 232 | 62 364 | 23 594 | 123 292 | 34 | 24 | 6 | 6 | 12 | 82 | 56.56 | 19.85 | 3.12 | 0.96 | 5.09 | 6.65 |
| Stara Zagora | 9 | 530 | 1 200 | 1 626 | 6 083 | 2 687 | 12 126 | 15 | 17 | 13 | 25 | 0 | 70 | 283.02 | 141.67 | 79.95 | 41.10 | 0.00 | 57.73 |
| Targovishte | 3 | 155 | 345 | 409 | 1 602 | 747 | 3 258 | 2 | 4 | 5 | 5 | 0 | 16 | 129.03 | 115.94 | 122.25 | 31.21 | 0.00 | 49.11 |
| Varna | 15 | 1 491 | 3 220 | 4 871 | 15 770 | 6 522 | 31 874 | 57 | 58 | 47 | 54 | 17 | 233 | 382.29 | 180.12 | 96.49 | 34.24 | 26.07 | 73.10 |
| Veliko Tarnovo | 8 | 270 | 583 | 986 | 2 880 | 1 258 | 5 977 | 3 | 3 | 3 | 6 | 1 | 16 | 111.11 | 51.46 | 30.43 | 20.83 | 7.95 | 26.77 |
| Vidin | 6 | 124 | 323 | 428 | 1 967 | 756 | 3 598 | 3 | 3 | 3 | 9 | 1 | 19 | 241.94 | 92.88 | 70.09 | 45.75 | 13.23 | 52.81 |
| Vratsa | 8 | 201 | 460 | 611 | 2 468 | 1 101 | 4 841 | 5 | 4 | 3 | 3 | 2 | 17 | 248.76 | 86.96 | 49.10 | 12.16 | 18.17 | 35.12 |
| Yambol | 6 | 290 | 646 | 760 | 2 780 | 1 461 | 5 937 | 14 | 9 | 8 | 11 | 4 | 46 | 482.76 | 139.32 | 105.26 | 39.57 | 27.38 | 77.48 |
| Country total | 216 | 15 941 | 34 454 | 50 456 | 172 775 | 74 287 | 347 913 | 378 | 402 | 248 | 406 | 118 | 1 552 | 237.12 | 116.68 | 49.15 | 23.50 | 15.88 | 44.61 |