Influenza and Acute Respiratory Infections Information System
National center of infectious and parasitic diseases
USAID
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Incidence (
) of influenza and ARI for the period from 06-04-2026 to 12-04-2026 (week 15)
| 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 | 6 | 5 | 4 | 3 | 5 | 23 | 205.48 | 77.76 | 41.19 | 9.81 | 38.37 | 36.69 |
| Burgas | 12 | 860 | 1 972 | 2 810 | 9 274 | 4 129 | 19 045 | 23 | 26 | 18 | 20 | 6 | 93 | 267.44 | 131.85 | 64.06 | 21.57 | 14.53 | 48.83 |
| Dobrich | 8 | 255 | 605 | 826 | 3 435 | 1 835 | 6 956 | 6 | 1 | 0 | 8 | 2 | 17 | 235.29 | 16.53 | 0.00 | 23.29 | 10.90 | 24.44 |
| Gabrovo | 5 | 139 | 383 | 513 | 2 205 | 1 269 | 4 509 | 17 | 12 | 7 | 4 | 2 | 42 | 1 223.02 | 313.32 | 136.45 | 18.14 | 15.76 | 93.15 |
| Haskovo | 9 | 249 | 655 | 805 | 3 104 | 1 518 | 6 331 | 5 | 6 | 6 | 10 | 3 | 30 | 200.80 | 91.60 | 74.53 | 32.22 | 19.76 | 47.39 |
| Kardjali | 2 | 197 | 519 | 629 | 2 501 | 1 019 | 4 865 | 3 | 5 | 6 | 5 | 2 | 21 | 152.28 | 96.34 | 95.39 | 19.99 | 19.63 | 43.17 |
| Kjustendil | 6 | 147 | 326 | 432 | 1 660 | 890 | 3 455 | 3 | 6 | 2 | 3 | 2 | 16 | 204.08 | 184.05 | 46.30 | 18.07 | 22.47 | 46.31 |
| Lovech | 2 | 85 | 227 | 464 | 1 082 | 877 | 2 735 | 0 | 2 | 1 | 3 | 0 | 6 | 0.00 | 88.11 | 21.55 | 27.73 | 0.00 | 21.94 |
| Montana | 6 | 148 | 405 | 434 | 1 930 | 832 | 3 749 | 6 | 8 | 8 | 5 | 3 | 30 | 405.41 | 197.53 | 184.33 | 25.91 | 36.06 | 80.02 |
| Pazardjik | 5 | 229 | 531 | 631 | 2 669 | 1 370 | 5 430 | 10 | 4 | 2 | 15 | 4 | 35 | 436.68 | 75.33 | 31.70 | 56.20 | 29.20 | 64.46 |
| Pernik | 10 | 259 | 651 | 837 | 3 320 | 1 513 | 6 580 | 20 | 9 | 1 | 6 | 1 | 37 | 772.20 | 138.25 | 11.95 | 18.07 | 6.61 | 56.23 |
| Pleven | 6 | 324 | 791 | 1 162 | 4 334 | 2 246 | 8 857 | 20 | 14 | 10 | 12 | 5 | 61 | 617.28 | 176.99 | 86.06 | 27.69 | 22.26 | 68.87 |
| Plovdiv | 12 | 1 677 | 3 340 | 5 187 | 16 075 | 6 673 | 32 952 | 59 | 62 | 29 | 99 | 17 | 266 | 351.82 | 185.63 | 55.91 | 61.59 | 25.48 | 80.72 |
| Razgrad | 4 | 142 | 270 | 329 | 1 390 | 608 | 2 739 | 5 | 3 | 0 | 3 | 1 | 12 | 352.11 | 111.11 | 0.00 | 21.58 | 16.45 | 43.81 |
| Russe | 7 | 470 | 1 094 | 1 568 | 5 944 | 2 996 | 12 072 | 15 | 12 | 7 | 15 | 6 | 55 | 319.15 | 109.69 | 44.64 | 25.24 | 20.03 | 45.56 |
| Shumen | 8 | 267 | 657 | 850 | 3 338 | 1 552 | 6 664 | 9 | 13 | 3 | 13 | 2 | 40 | 337.08 | 197.87 | 35.29 | 38.95 | 12.89 | 60.02 |
| Silistra | 4 | 84 | 214 | 258 | 1 312 | 820 | 2 688 | 0 | 5 | 3 | 3 | 2 | 13 | 0.00 | 233.64 | 116.28 | 22.87 | 24.39 | 48.36 |
| Sliven | 7 | 426 | 907 | 1 062 | 3 649 | 1 782 | 7 826 | 4 | 7 | 8 | 18 | 1 | 38 | 93.90 | 77.18 | 75.33 | 49.33 | 5.61 | 48.56 |
| Smolyan | 5 | 73 | 242 | 260 | 1 247 | 626 | 2 448 | 4 | 2 | 0 | 3 | 0 | 9 | 547.95 | 82.64 | 0.00 | 24.06 | 0.00 | 36.76 |
| Sofia | 7 | 546 | 1 154 | 1 505 | 5 333 | 2 303 | 10 841 | 6 | 5 | 3 | 10 | 2 | 26 | 109.89 | 43.33 | 19.93 | 18.75 | 8.68 | 23.98 |
| Sofia capital | 25 | 6 011 | 12 091 | 19 232 | 62 364 | 23 594 | 123 292 | 21 | 17 | 10 | 11 | 14 | 73 | 34.94 | 14.06 | 5.20 | 1.76 | 5.93 | 5.92 |
| Stara Zagora | 9 | 530 | 1 200 | 1 626 | 6 083 | 2 687 | 12 126 | 22 | 6 | 1 | 21 | 6 | 56 | 415.09 | 50.00 | 6.15 | 34.52 | 22.33 | 46.18 |
| Targovishte | 3 | 155 | 345 | 409 | 1 602 | 747 | 3 258 | 1 | 4 | 7 | 5 | 0 | 17 | 64.52 | 115.94 | 171.15 | 31.21 | 0.00 | 52.18 |
| Varna | 15 | 1 491 | 3 220 | 4 871 | 15 770 | 6 522 | 31 874 | 69 | 84 | 33 | 48 | 24 | 258 | 462.78 | 260.87 | 67.75 | 30.44 | 36.80 | 80.94 |
| Veliko Tarnovo | 8 | 270 | 583 | 986 | 2 880 | 1 258 | 5 977 | 6 | 4 | 5 | 3 | 0 | 18 | 222.22 | 68.61 | 50.71 | 10.42 | 0.00 | 30.12 |
| Vidin | 6 | 124 | 323 | 428 | 1 967 | 756 | 3 598 | 4 | 5 | 7 | 8 | 1 | 25 | 322.58 | 154.80 | 163.55 | 40.67 | 13.23 | 69.48 |
| Vratsa | 8 | 201 | 460 | 611 | 2 468 | 1 101 | 4 841 | 4 | 3 | 5 | 3 | 3 | 18 | 199.00 | 65.22 | 81.83 | 12.16 | 27.25 | 37.18 |
| Yambol | 6 | 290 | 646 | 760 | 2 780 | 1 461 | 5 937 | 20 | 4 | 5 | 12 | 9 | 50 | 689.66 | 61.92 | 65.79 | 43.17 | 61.60 | 84.22 |
| Country total | 216 | 15 941 | 34 454 | 50 456 | 172 775 | 74 287 | 347 913 | 368 | 334 | 191 | 369 | 123 | 1 385 | 230.85 | 96.94 | 37.85 | 21.36 | 16.56 | 39.81 |