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Table 2 Determination by ELISA of the prevalence of tick-borne encephalitis virus antibodies in milk and colostrum samples from TBEV positive farms

From: Revealing new tick-borne encephalitis virus foci by screening antibodies in sheep milk

Animal species

Location

Year

No. of samples

No. of positive samples

% of positive samples

Sheep

Focus I

2017

5

3

60.0

Sheep

Focus II

2017

5

3

60.0

Sheep

Blidö

2018

4

3

75.0

Sheep

Focus III

2018

8

4

50.0

Sheep

Focus I

2019

8

3

37.5

Sheep

Focus II

2019

10

9

90.0

Total

  

40

25

62.5