Serological markers of Bornavirus infection found in horses in Iceland

Table 2 BDV serology of horses in the affected stable A

Horse ID	Clinical signs^a(see Table1)	Day 23 (IFA1^b/IFA2^c)	Approx. day 380 (IFA1^b/IFA2^c)	Approx. day 440 (IFA1^b/IFA2^c)^d
1.	++++	n.d.^e	n.d.	n.d.
2.	++++	1:160/1:80	n.d.	n.d.
3.	++	1:80/<1:10	1:40/<1:10	1:160/1:40
4.	++	n.d.	n.d.	<1:20/1:40
5.	+	1:160/1:40	1:320/<1:10	1:160/<1:10
6.	+	1:80/<1:10	1:160/1:40	n.d.
7.	(+)	n.d.	n.d.	1:160/1:40
8.	-	n.d.	n.d.	<1:20/<1:10

^aThe degree of clinical signs is indicated as ++++ = severe clinical signs, ++ = moderate signs, + = mild signs, and (+) = no clear signs.
^bIFA1 is the IFA performed in Sweden.
^cIFA2 is the IFA performed in Germany.
^dSamples were blindly tested.
^en.d. indicates not done.

ISSN: 1751-0147