Table 2. West Nile and Usutu virus seroprevalence data in Hungary at NUTS 3 level, in 2019.

No.	Counties (NUTS 3)	Sample no.	Anti-WNV IgG positive no.	Anti-WNV IgG prevalence (%) with 95% CI	Anti-USUV IgG positive no.	Anti-USUV IgG Prevalence (%) with 95% CI
1	Budapest	536	20	3.73 (2.28−5.76)	3	0.56 (0.12−1.63)
2	Pest	379	23	6.05 (3.84−9.08)	1	0.26 (0.00−1.46)
3	Fejér	129	8	6.20 (2.66−12.24)	0	0.00 (0.00−0.00)
4	Komárom-Esztergom	92	7	7.61 (3.03−15.71)	0	0.00 (0.00−0.00)
5	Veszprém	104	2	1.92 (0.19−7.01)	0	0.00 (0.00−0.00)
6	Győr-Moson-Sopron	141	4	2.84 (0.75−7.29)	0	0.00 (0.00−0.00)
7	Vas	78	0	0.00 (0.00−0.00)	0	0.00 (0.00−0.00)
8	Zala	82	0	0.00 (0.00−0.00)	0	0.00 (0.00−0.00)
9	Baranya	110	2	1.82 (0.18−6.63)	0	0.00 (0.00−0.00)
10	Somogy	100	2	2.00 (0.19−7.29)	0	0.00 (0.00−0.00)
11	Tolna	82	5	6.10 (1.94−14.27)	0	0.00 (0.00−0.00)
12	Borsod-Abaúj-Zemplén	194	4	2.06 (0.54−5.30)	0	0.00 (0.00−0.00)
13	Heves	100	7	7.00 (2.79−14.45)	0	0.00 (0.00−0.00)
14	Nógrád	57	1	1.75 (0.00−9.94)	0	0.00 (0.00−0.00)
15	Hajdú-Bihar	162	10	6.17 (2.95−11.36)	0	0.00 (0.00−0.00)
16	Jász-Nagykun-Szolnok	112	12	10.71 (5.52−18.73)	0	0.00 (0.00−0.00)
17	Szabolcs-Szatmár-Bereg	173	7	4.05 (1.61−8.35)	0	0.00 (0.00−0.00)
18	Bács-Kiskun	153	6	3.92 (1.42−8.56)	0	0.00 (0.00−0.00)
19	Békés	101	5	4.95 (1.57−11.59)	0	0.00 (0.00−0.00)
20	Csongrád-Csanád	120	5	4.17 (1.32−9.75)	1	0.83 (0.00−4.56)
TOTAL		3005	130	4.32 (3.61−5.13)	5	0.17 (0.05−0.39)

CI: Confidence interval, IgG: Immunoglobulin G, NUTS: Nomenclature of Territorial Units for Statistics, USUV: Usutu virus, WNV: West Nile virus.