From: Seroprevalence of Louping Ill virus (LIV) antibodies in sheep submitted for post mortem examination in the North West of Ireland in 2011
County
No. positive
No submitted
% seropositive
Cavan
0
6
Donegal
8
38
21.0
Leitrim
3
27
11.1
Longford
1
2
-
Mayo
23
13.0
Roscommon
9
Sligo
94
2.1