Incidence () of influenza and ARI for the period from 12-01-2026 to 18-01-2026 (week 3)

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	8	20	28	46	17	119	273.97	311.04	288.36	150.38	130.47	189.85
Burgas	12	860	1 972	2 810	9 274	4 129	19 045	54	149	114	110	48	475	627.91	755.58	405.69	118.61	116.25	249.41
Dobrich	8	255	605	826	3 435	1 835	6 956	30	47	27	40	9	153	1 176.47	776.86	326.88	116.45	49.05	219.95
Gabrovo	5	139	383	513	2 205	1 269	4 509	30	40	26	26	1	123	2 158.27	1 044.39	506.82	117.91	7.88	272.79
Haskovo	9	249	655	805	3 104	1 518	6 331	13	48	25	25	3	114	522.09	732.82	310.56	80.54	19.76	180.07
Kardjali	2	197	519	629	2 501	1 019	4 865	5	12	16	12	6	51	253.81	231.21	254.37	47.98	58.88	104.83
Kjustendil	6	147	326	432	1 660	890	3 455	4	8	9	12	4	37	272.11	245.40	208.33	72.29	44.94	107.09
Lovech	2	85	227	464	1 082	877	2 735	2	17	12	11	4	46	235.29	748.90	258.62	101.66	45.61	168.19
Montana	6	148	405	434	1 930	832	3 749	8	19	17	14	0	58	540.54	469.14	391.71	72.54	0.00	154.71
Pazardjik	5	229	531	631	2 669	1 370	5 430	19	15	21	24	6	85	829.69	282.49	332.81	89.92	43.80	156.54
Pernik	10	259	651	837	3 320	1 513	6 580	8	20	24	14	1	67	308.88	307.22	286.74	42.17	6.61	101.82
Pleven	6	324	791	1 162	4 334	2 246	8 857	14	65	19	24	10	132	432.10	821.74	163.51	55.38	44.52	149.03
Plovdiv	12	1 677	3 340	5 187	16 075	6 673	32 952	103	126	68	150	32	479	614.19	377.25	131.10	93.31	47.95	145.36
Razgrad	4	142	270	329	1 390	608	2 739	4	9	3	4	1	21	281.69	333.33	91.19	28.78	16.45	76.67
Russe	7	470	1 094	1 568	5 944	2 996	12 072	29	73	51	52	24	229	617.02	667.28	325.26	87.48	80.11	189.70
Shumen	8	267	657	850	3 338	1 552	6 664	15	38	14	43	12	122	561.80	578.39	164.71	128.82	77.32	183.07
Silistra	4	84	214	258	1 312	820	2 688	4	12	4	17	1	38	476.19	560.75	155.04	129.57	12.20	141.37
Sliven	7	426	907	1 062	3 649	1 782	7 826	15	33	31	32	5	116	352.11	363.84	291.90	87.70	28.06	148.22
Smolyan	5	73	242	260	1 247	626	2 448	2	15	12	10	2	41	273.97	619.83	461.54	80.19	31.95	167.48
Sofia	7	546	1 154	1 505	5 333	2 303	10 841	32	73	56	32	7	200	586.08	632.58	372.09	60.00	30.40	184.48
Sofia capital	25	6 011	12 091	19 232	62 364	23 594	123 292	171	229	296	208	160	1 064	284.48	189.40	153.91	33.35	67.81	86.30
Stara Zagora	9	530	1 200	1 626	6 083	2 687	12 126	49	30	29	57	6	171	924.53	250.00	178.35	93.70	22.33	141.02
Targovishte	3	155	345	409	1 602	747	3 258	3	19	13	5	3	43	193.55	550.72	317.85	31.21	40.16	131.98
Varna	15	1 491	3 220	4 871	15 770	6 522	31 874	153	247	143	150	43	736	1 026.16	767.08	293.57	95.12	65.93	230.91
Veliko Tarnovo	8	270	583	986	2 880	1 258	5 977	17	19	16	24	4	80	629.63	325.90	162.27	83.33	31.80	133.85
Vidin	6	124	323	428	1 967	756	3 598	8	26	7	19	1	61	645.16	804.95	163.55	96.59	13.23	169.54
Vratsa	8	201	460	611	2 468	1 101	4 841	13	20	11	13	8	65	646.77	434.78	180.03	52.67	72.66	134.27
Yambol	6	290	646	760	2 780	1 461	5 937	11	55	18	21	24	129	379.31	851.39	236.84	75.54	164.27	217.28
Country total	216	15 941	34 454	50 456	172 775	74 287	347 913	824	1 484	1 110	1 195	442	5 055	516.91	430.72	219.99	69.17	59.50	145.29

Influenza and Acute Respiratory Infections Information System

National center of infectious and parasitic diseases

USAID

Incidence () of influenza and ARI for the period from 12-01-2026 to 18-01-2026 (week 3)