Table II.

Questionnaire data on gender, age, TBEV infection and vaccination status, and other flavivirus infection and vaccination status

Blood donors	Total	TBEV vaccination						TBEV infection
		Yes		Unknown		No
Group	N.	N.	%	N.	%	N.	%	N.	%
All	9,328	2,2931	24.6%	138	1.5%	6,897	73.9%	39	0.4%
Female	3,596	802	22.3%	45	1.3%	2,749	76.4%	12	0.1%
Male	5,732	1,491	26.0%	93	1.6%	4,148	72.4%	27	0.3%
Age <40	2,674	794	29.7%	51	1.9%	1,829	68.4%	9	0.1%
Age ≥40 to <55	3,685	915	24.8%	44	1.2%	2,726	74.0%	16	0.2%
Age ≥55	2,969	584	19.7%	43	1.4%	2,342	78.9%	14	0.2%
Endemic region	3,082	1,156	37.5%	26	0.8%	1,900	61.6%	14	0.2%
Border region	2,583	590	22.8%	66	2.6%	1,972	76.3%	14	0.2%
Non-endemic region	3,663	547	14.9%	46	1.3%	3,070	83.8%	11	0.1%
Other flavivirus vaccination	1,132	324	28.6%	15	1.3%	793	70.1%	7	0.1%
Other flavivirus infection	112	6	54.5%	1	9.0%	4	36.4%	0	0.0%

¹2,103 (91.7%) indicated which vaccine and/or how many vaccine doses they had received;

²n=3 Yellow Fever virus, n=5 Dengue virus, n=3 “flavivirus” without specification. Percentages are related to the respective groups. Data on TBEV infection are delineated irrespective of TBEV vaccination status.