Table 1. Vibrio anguillarum strains used in this study.

Strain	Host or environment	Origin	Serotype	Virulence plasmida	Reference
VIB15	Sea bass	Greece	O1	+	28
VIB93	Rainbow trout	Denmark	O1	+	28
87-9-116	Rainbow trout	Finland	O1	−	30
87-9-117	Rainbow trout	Finland	O1	+	30
VaNT1	Rainbow trout	Denmark	O1	+	8
S3 4/9	Mucus, Rainbow trout	Denmark	O1	−	29
JLL237	Rainbow trout	Hjarnø, Denmark	O1	−	33
43	Sea bass	UK	O1	−	31
VIB12	Sea bass	Greece	O2	−	28
VIB103	Cod	Denmark	O2	−b	28
VIB160	Sediment	Denmark	O2	−	28
JLL143	Rainbow trout	Denmark	O2	−	33
HI610	Cod	Norway	O2	−	Parisvannet, Norway
VIB113	Rainbow trout	Denmark	O3	−	28
CNEVA NB11008	Sea bass	France	O3	−	32

^a+ = Present; − = Absent (also confirmed in this study).

^bPresence of plasmid >200 kb.