Incidence () of influenza and ARI for the period from 05-01-2026 to 11-01-2026 (week 2)

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	11	24	23	32	15	105	376.71	373.25	236.87	104.61	115.12	167.52
Burgas	12	860	1 972	2 810	9 274	4 129	19 045	59	107	80	89	21	356	686.05	542.60	284.70	95.97	50.86	186.93
Dobrich	8	255	605	826	3 435	1 835	6 956	26	20	28	49	21	144	1 019.61	330.58	338.98	142.65	114.44	207.02
Gabrovo	5	139	383	513	2 205	1 269	4 509	12	25	8	20	4	69	863.31	652.74	155.95	90.70	31.52	153.03
Haskovo	9	249	655	805	3 104	1 518	6 331	29	24	22	37	9	121	1 164.66	366.41	273.29	119.20	59.29	191.12
Kardjali	2	197	519	629	2 501	1 019	4 865	5	11	18	9	6	49	253.81	211.95	286.17	35.99	58.88	100.72
Kjustendil	6	147	326	432	1 660	890	3 455	7	7	7	11	3	35	476.19	214.72	162.04	66.27	33.71	101.30
Lovech	2	85	227	464	1 082	877	2 735	4	11	13	11	5	44	470.59	484.58	280.17	101.66	57.01	160.88
Montana	6	148	405	434	1 930	832	3 749	4	15	12	20	0	51	270.27	370.37	276.50	103.63	0.00	136.04
Pazardjik	5	229	531	631	2 669	1 370	5 430	13	5	36	16	6	76	567.69	94.16	570.52	59.95	43.80	139.96
Pernik	10	259	651	837	3 320	1 513	6 580	18	20	51	37	3	129	694.98	307.22	609.32	111.45	19.83	196.05
Pleven	6	324	791	1 162	4 334	2 246	8 857	15	25	25	40	23	128	462.96	316.06	215.15	92.29	102.40	144.52
Plovdiv	12	1 677	3 340	5 187	16 075	6 673	32 952	99	122	46	199	26	492	590.34	365.27	88.68	123.79	38.96	149.31
Razgrad	4	142	270	329	1 390	608	2 739	1	3	3	4	1	12	70.42	111.11	91.19	28.78	16.45	43.81
Russe	7	470	1 094	1 568	5 944	2 996	12 072	20	53	31	49	29	182	425.53	484.46	197.70	82.44	96.80	150.76
Shumen	8	267	657	850	3 338	1 552	6 664	10	37	23	40	7	117	374.53	563.17	270.59	119.83	45.10	175.57
Silistra	4	84	214	258	1 312	820	2 688	5	19	10	22	2	58	595.24	887.85	387.60	167.68	24.39	215.77
Sliven	7	426	907	1 062	3 649	1 782	7 826	17	28	29	38	14	126	399.06	308.71	273.07	104.14	78.56	161.00
Smolyan	5	73	242	260	1 247	626	2 448	4	7	9	18	1	39	547.95	289.26	346.15	144.35	15.97	159.31
Sofia	7	546	1 154	1 505	5 333	2 303	10 841	38	58	42	43	20	201	695.97	502.60	279.07	80.63	86.84	185.41
Sofia capital	25	6 011	12 091	19 232	62 364	23 594	123 292	142	195	200	189	75	801	236.23	161.28	103.99	30.31	31.79	64.97
Stara Zagora	9	530	1 200	1 626	6 083	2 687	12 126	42	39	37	63	12	193	792.45	325.00	227.55	103.57	44.66	159.16
Targovishte	3	155	345	409	1 602	747	3 258	6	9	12	5	1	33	387.10	260.87	293.40	31.21	13.39	101.29
Varna	15	1 491	3 220	4 871	15 770	6 522	31 874	115	201	177	214	56	763	771.29	624.22	363.38	135.70	85.86	239.38
Veliko Tarnovo	8	270	583	986	2 880	1 258	5 977	13	19	16	19	5	72	481.48	325.90	162.27	65.97	39.75	120.46
Vidin	6	124	323	428	1 967	756	3 598	7	19	12	24	1	63	564.52	588.24	280.37	122.01	13.23	175.10
Vratsa	8	201	460	611	2 468	1 101	4 841	12	16	14	10	6	58	597.01	347.83	229.13	40.52	54.50	119.81
Yambol	6	290	646	760	2 780	1 461	5 937	16	53	17	17	13	116	551.72	820.43	223.68	61.15	88.98	195.38
Country total	216	15 941	34 454	50 456	172 775	74 287	347 913	750	1 172	1 001	1 325	385	4 633	470.48	340.16	198.39	76.69	51.83	133.17

Influenza and Acute Respiratory Infections Information System

National center of infectious and parasitic diseases

USAID

Incidence () of influenza and ARI for the period from 05-01-2026 to 11-01-2026 (week 2)