Incidence () of influenza and ARI for the period from 12-10-2026 to 18-10-2026 (week 42)

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	4	291	648	1 055	3 081	1 342	6 417	4	4	5	3	4	20	137.46	61.73	47.39	9.74	29.81	31.17
Burgas	12	860	1 972	2 810	9 274	4 129	19 045	29	49	73	22	12	185	337.21	248.48	259.79	23.72	29.06	97.14
Dobrich	8	255	605	826	3 435	1 835	6 956	11	7	8	21	3	50	431.37	115.70	96.85	61.14	16.35	71.88
Gabrovo	5	139	383	513	2 205	1 269	4 509	18	24	7	11	0	60	1 294.96	626.63	136.45	49.89	0.00	133.07
Haskovo	9	249	655	805	3 104	1 518	6 331	5	8	17	10	1	41	200.80	122.14	211.18	32.22	6.59	64.76
Kardjali	2	197	519	629	2 501	1 019	4 865	1	3	3	6	4	17	50.76	57.80	47.69	23.99	39.25	34.94
Kjustendil	6	147	326	432	1 660	890	3 455	5	5	6	7	5	28	340.14	153.37	138.89	42.17	56.18	81.04
Lovech	2	85	227	464	1 082	877	2 735	8	9	4	5	3	29	941.18	396.48	86.21	46.21	34.21	106.03
Montana	6	148	405	434	1 930	832	3 749	11	5	2	11	1	30	743.24	123.46	46.08	56.99	12.02	80.02
Pazardjik	5	229	531	631	2 669	1 370	5 430	6	3	7	5	3	24	262.01	56.50	110.94	18.73	21.90	44.20
Pernik	10	259	651	837	3 320	1 513	6 580	11	9	7	2	1	30	424.71	138.25	83.63	6.02	6.61	45.59
Pleven	6	324	791	1 162	4 334	2 246	8 857	18	11	14	15	3	61	555.56	139.06	120.48	34.61	13.36	68.87
Plovdiv	12	1 677	3 340	5 187	16 075	6 673	32 952	54	47	19	61	12	193	322.00	140.72	36.63	37.95	17.98	58.57
Razgrad	4	142	270	329	1 390	608	2 739	6	3	2	3	0	14	422.54	111.11	60.79	21.58	0.00	51.11
Russe	7	470	1 094	1 568	5 944	2 996	12 072	15	32	38	45	11	141	319.15	292.50	242.35	75.71	36.72	116.80
Shumen	8	267	657	850	3 338	1 552	6 664	12	20	5	28	1	66	449.44	304.41	58.82	83.88	6.44	99.04
Silistra	4	84	214	258	1 312	820	2 688	2	7	5	9	3	26	238.10	327.10	193.80	68.60	36.59	96.73
Sliven	7	426	907	1 062	3 649	1 782	7 826	2	7	7	3	2	21	46.95	77.18	65.91	8.22	11.22	26.83
Smolyan	5	73	242	260	1 247	626	2 448	8	10	6	5	0	29	1 095.89	413.22	230.77	40.10	0.00	118.46
Sofia	7	546	1 154	1 505	5 333	2 303	10 841	14	18	12	11	7	62	256.41	155.98	79.73	20.63	30.40	57.19
Sofia capital	25	6 011	12 091	19 232	62 364	23 594	123 292	22	18	9	10	12	71	36.60	14.89	4.68	1.60	5.09	5.76
Stara Zagora	9	530	1 200	1 626	6 083	2 687	12 126	33	20	23	49	4	129	622.64	166.67	141.45	80.55	14.89	106.38
Targovishte	3	155	345	409	1 602	747	3 258	1	8	2	3	1	15	64.52	231.88	48.90	18.73	13.39	46.04
Varna	15	1 491	3 220	4 871	15 770	6 522	31 874	59	65	49	39	13	225	395.71	201.86	100.60	24.73	19.93	70.59
Veliko Tarnovo	8	265	593	1 030	2 859	1 274	6 021	4	2	3	4	0	13	150.94	33.73	29.13	13.99	0.00	21.59
Vidin	6	124	323	428	1 967	756	3 598	4	4	4	9	0	21	322.58	123.84	93.46	45.75	0.00	58.37
Vratsa	8	201	460	611	2 468	1 101	4 841	9	7	5	2	2	25	447.76	152.17	81.83	8.10	18.17	51.64
Yambol	6	290	646	760	2 780	1 461	5 937	11	18	18	12	6	65	379.31	278.64	236.84	43.17	41.07	109.48
Country total	209	15 935	34 469	50 584	172 776	74 342	348 106	383	423	360	411	114	1 691	240.35	122.72	71.17	23.79	15.33	48.58

Influenza and Acute Respiratory Infections Information System

National center of infectious and parasitic diseases

USAID

Incidence () of influenza and ARI for the period from 12-10-2026 to 18-10-2026 (week 42)