Incidence () of influenza and ARI for the period from 23-02-2026 to 01-03-2026 (week 9)

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	7	8	9	9	13	46	239.73	124.42	92.69	29.42	99.77	73.39
Burgas	12	860	1 972	2 810	9 274	4 129	19 045	44	82	49	49	5	229	511.63	415.82	174.38	52.84	12.11	120.24
Dobrich	8	255	605	826	3 435	1 835	6 956	29	19	10	11	3	72	1 137.25	314.05	121.07	32.02	16.35	103.51
Gabrovo	5	139	383	513	2 205	1 269	4 509	13	16	6	11	1	47	935.25	417.75	116.96	49.89	7.88	104.24
Haskovo	9	249	655	805	3 104	1 518	6 331	2	34	10	14	0	60	80.32	519.08	124.22	45.10	0.00	94.77
Kardjali	2	197	519	629	2 501	1 019	4 865	3	6	6	3	1	19	152.28	115.61	95.39	12.00	9.81	39.05
Kjustendil	6	147	326	432	1 660	890	3 455	5	8	1	5	9	28	340.14	245.40	23.15	30.12	101.12	81.04
Lovech	2	85	227	464	1 082	877	2 735	2	6	1	8	5	22	235.29	264.32	21.55	73.94	57.01	80.44
Montana	6	148	405	434	1 930	832	3 749	4	11	10	8	1	34	270.27	271.60	230.41	41.45	12.02	90.69
Pazardjik	5	229	531	631	2 669	1 370	5 430	6	12	8	20	3	49	262.01	225.99	126.78	74.93	21.90	90.24
Pernik	10	259	651	837	3 320	1 513	6 580	14	34	22	19	0	89	540.54	522.27	262.84	57.23	0.00	135.26
Pleven	6	324	791	1 162	4 334	2 246	8 857	31	30	19	19	9	108	956.79	379.27	163.51	43.84	40.07	121.94
Plovdiv	12	1 677	3 340	5 187	16 075	6 673	32 952	89	87	24	206	20	426	530.71	260.48	46.27	128.15	29.97	129.28
Razgrad	4	142	270	329	1 390	608	2 739	8	5	2	6	0	21	563.38	185.19	60.79	43.17	0.00	76.67
Russe	7	470	1 094	1 568	5 944	2 996	12 072	28	68	28	26	11	161	595.74	621.57	178.57	43.74	36.72	133.37
Shumen	8	267	657	850	3 338	1 552	6 664	8	20	14	16	3	61	299.63	304.41	164.71	47.93	19.33	91.54
Silistra	4	84	214	258	1 312	820	2 688	9	13	6	12	3	43	1 071.43	607.48	232.56	91.46	36.59	159.97
Sliven	7	426	907	1 062	3 649	1 782	7 826	10	19	25	19	7	80	234.74	209.48	235.40	52.07	39.28	102.22
Smolyan	5	73	242	260	1 247	626	2 448	4	9	4	9	0	26	547.95	371.90	153.85	72.17	0.00	106.21
Sofia	7	546	1 154	1 505	5 333	2 303	10 841	28	57	31	26	5	147	512.82	493.93	205.98	48.75	21.71	135.60
Sofia capital	25	6 011	12 091	19 232	62 364	23 594	123 292	228	201	141	119	140	829	379.30	166.24	73.32	19.08	59.34	67.24
Stara Zagora	9	530	1 200	1 626	6 083	2 687	12 126	36	20	12	32	0	100	679.25	166.67	73.80	52.61	0.00	82.47
Targovishte	3	155	345	409	1 602	747	3 258	4	6	11	3	4	28	258.06	173.91	268.95	18.73	53.55	85.94
Varna	15	1 491	3 220	4 871	15 770	6 522	31 874	122	194	95	111	13	535	818.24	602.48	195.03	70.39	19.93	167.85
Veliko Tarnovo	8	270	583	986	2 880	1 258	5 977	9	10	8	7	3	37	333.33	171.53	81.14	24.31	23.85	61.90
Vidin	6	124	323	428	1 967	756	3 598	10	13	4	11	2	40	806.45	402.48	93.46	55.92	26.46	111.17
Vratsa	8	201	460	611	2 468	1 101	4 841	9	11	6	6	4	36	447.76	239.13	98.20	24.31	36.33	74.36
Yambol	6	290	646	760	2 780	1 461	5 937	21	17	5	10	5	58	724.14	263.16	65.79	35.97	34.22	97.69
Country total	216	15 941	34 454	50 456	172 775	74 287	347 913	783	1 016	567	795	270	3 431	491.19	294.89	112.38	46.01	36.35	98.62

Influenza and Acute Respiratory Infections Information System

National center of infectious and parasitic diseases

USAID

Incidence () of influenza and ARI for the period from 23-02-2026 to 01-03-2026 (week 9)