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 25-08-2025 to 31-08-2025 (week 35)
| 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 | 301 | 637 | 951 | 3 083 | 1 263 | 6 235 | 2 | 3 | 2 | 3 | 2 | 12 | 66.45 | 47.10 | 21.03 | 9.73 | 15.84 | 19.25 |
| Burgas | 12 | 864 | 1 998 | 2 415 | 9 537 | 4 096 | 18 910 | 28 | 20 | 18 | 40 | 12 | 118 | 324.07 | 100.10 | 74.53 | 41.94 | 29.30 | 62.40 |
| Dobrich | 10 | 289 | 625 | 820 | 3 526 | 1 816 | 7 076 | 6 | 13 | 5 | 4 | 1 | 29 | 207.61 | 208.00 | 60.98 | 11.34 | 5.51 | 40.98 |
| Gabrovo | 5 | 188 | 429 | 537 | 2 400 | 1 332 | 4 886 | 12 | 10 | 0 | 7 | 5 | 34 | 638.30 | 233.10 | 0.00 | 29.17 | 37.54 | 69.59 |
| Haskovo | 9 | 261 | 669 | 805 | 3 158 | 1 486 | 6 379 | 7 | 6 | 0 | 10 | 1 | 24 | 268.20 | 89.69 | 0.00 | 31.67 | 6.73 | 37.62 |
| Kardjali | 2 | 209 | 457 | 522 | 2 070 | 882 | 4 140 | 5 | 4 | 5 | 2 | 1 | 17 | 239.23 | 87.53 | 95.79 | 9.66 | 11.34 | 41.06 |
| Kjustendil | 6 | 184 | 364 | 440 | 1 723 | 834 | 3 545 | 4 | 5 | 1 | 4 | 2 | 16 | 217.39 | 137.36 | 22.73 | 23.22 | 23.98 | 45.13 |
| Lovech | 2 | 74 | 212 | 436 | 1 529 | 574 | 2 825 | 2 | 4 | 7 | 2 | 0 | 15 | 270.27 | 188.68 | 160.55 | 13.08 | 0.00 | 53.10 |
| Montana | 6 | 169 | 394 | 433 | 1 832 | 850 | 3 678 | 1 | 3 | 1 | 1 | 0 | 6 | 59.17 | 76.14 | 23.09 | 5.46 | 0.00 | 16.31 |
| Pazardjik | 3 | 228 | 535 | 627 | 2 739 | 1 336 | 5 465 | 3 | 3 | 2 | 6 | 2 | 16 | 131.58 | 56.07 | 31.90 | 21.91 | 14.97 | 29.28 |
| Pernik | 4 | 251 | 692 | 832 | 3 351 | 1 525 | 6 651 | 5 | 4 | 4 | 5 | 1 | 19 | 199.20 | 57.80 | 48.08 | 14.92 | 6.56 | 28.57 |
| Pleven | 6 | 331 | 800 | 1 134 | 4 423 | 2 197 | 8 885 | 8 | 4 | 7 | 10 | 1 | 30 | 241.69 | 50.00 | 61.73 | 22.61 | 4.55 | 33.76 |
| Plovdiv | 11 | 1 655 | 3 289 | 4 967 | 16 093 | 6 545 | 32 549 | 25 | 6 | 52 | 79 | 5 | 167 | 151.06 | 18.24 | 104.69 | 49.09 | 7.64 | 51.31 |
| Razgrad | 6 | 112 | 266 | 335 | 1 446 | 657 | 2 816 | 4 | 2 | 3 | 2 | 1 | 12 | 357.14 | 75.19 | 89.55 | 13.83 | 15.22 | 42.61 |
| Russe | 5 | 458 | 1 193 | 1 529 | 6 076 | 3 001 | 12 257 | 11 | 6 | 8 | 12 | 5 | 42 | 240.17 | 50.29 | 52.32 | 19.75 | 16.66 | 34.27 |
| Shumen | 8 | 283 | 623 | 838 | 3 380 | 1 542 | 6 666 | 3 | 6 | 12 | 8 | 0 | 29 | 106.01 | 96.31 | 143.20 | 23.67 | 0.00 | 43.50 |
| Silistra | 6 | 87 | 216 | 263 | 1 350 | 812 | 2 728 | 0 | 2 | 0 | 5 | 1 | 8 | 0.00 | 92.59 | 0.00 | 37.04 | 12.32 | 29.33 |
| Sliven | 7 | 406 | 928 | 1 049 | 3 734 | 1 754 | 7 871 | 6 | 7 | 2 | 1 | 1 | 17 | 147.78 | 75.43 | 19.07 | 2.68 | 5.70 | 21.60 |
| Smolyan | 5 | 89 | 262 | 282 | 1 222 | 615 | 2 470 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Sofia | 7 | 546 | 1 154 | 1 505 | 5 333 | 2 303 | 10 841 | 8 | 0 | 10 | 11 | 3 | 32 | 146.52 | 0.00 | 66.45 | 20.63 | 13.03 | 29.52 |
| Sofia capital | 27 | 6 027 | 12 067 | 18 605 | 62 262 | 23 457 | 122 418 | 11 | 26 | 23 | 19 | 2 | 81 | 18.25 | 21.55 | 12.36 | 3.05 | 0.85 | 6.62 |
| Stara Zagora | 9 | 529 | 1 213 | 1 564 | 6 171 | 2 644 | 12 121 | 14 | 3 | 6 | 17 | 0 | 40 | 264.65 | 24.73 | 38.36 | 27.55 | 0.00 | 33.00 |
| Targovishte | 3 | 138 | 344 | 420 | 1 620 | 711 | 3 233 | 1 | 2 | 1 | 2 | 2 | 8 | 72.46 | 58.14 | 23.81 | 12.35 | 28.13 | 24.74 |
| Varna | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Veliko Tarnovo | 8 | 272 | 590 | 925 | 2 913 | 1 233 | 5 933 | 2 | 3 | 2 | 2 | 0 | 9 | 73.53 | 50.85 | 21.62 | 6.87 | 0.00 | 15.17 |
| Vidin | 6 | 121 | 309 | 414 | 1 948 | 789 | 3 581 | 2 | 4 | 5 | 3 | 1 | 15 | 165.29 | 129.45 | 120.77 | 15.40 | 12.67 | 41.89 |
| Vratsa | 8 | 201 | 460 | 611 | 2 468 | 1 101 | 4 841 | 5 | 3 | 2 | 2 | 1 | 13 | 248.76 | 65.22 | 32.73 | 8.10 | 9.08 | 26.85 |
| Yambol | 6 | 276 | 655 | 772 | 2 972 | 1 424 | 6 099 | 4 | 7 | 3 | 5 | 4 | 23 | 144.93 | 106.87 | 38.86 | 16.82 | 28.09 | 37.71 |
| Country total | 198 | 14 549 | 31 381 | 44 031 | 158 359 | 66 779 | 315 099 | 179 | 156 | 181 | 262 | 54 | 832 | 123.03 | 49.71 | 41.11 | 16.54 | 8.09 | 26.40 |