Table 2.
EHV-1 outbreak characteristics of included premises.
| Country Denmark (DK) Germany (GE) Sweden (SE) |
Farm ID | Stable Units with Infection, Out of Total Units | EHV-1 Genotype | Horses in Affected Units | Horses with Fever | Horses with Neurological Signs (EHM) | EHV-1 Vaccinated Horses | Questionnaire Return Rate (1) | |
|---|---|---|---|---|---|---|---|---|---|
| Total | with EHM | ||||||||
| GE | A | 2 of 4 | D | 51 | 46 (90%) | 22 (43%) | - | - | 100% |
| GE | B | 2 of 2 | D | 45 | 30 (67%) | 25 (56%) | 0 | 0 | 49% |
| GE | C * | 7 of 11 | D | 79 | 55 (70%) | 8 (10%) | 32 | 4 | 100% (2) |
| GE | D | 4 of 4 | - | 45 | 4 (9%) | 1 (2%) | - | 0 | 38% |
| GE | E ** | 3 of 3 | - | 141 | est. 40% | 33 (23%) | 1 | 0 | 100% (2) |
| GE | F | 2 of 2 | - | 70 | 11 (16%) | 2 (3%) | - | - | 20% |
| GE | G | 4 of 4 | D | 54 | 23 (43%) | 9 (17%) | 29 | 5 | 100% |
| GE | H | 1 of 6 | - | 23 | 19 (83%) | 18 (78%) | 5 | 5 | 100% |
| DK | I | 4 of 5 | D | 70 | 68 (97%) | 7 (10%) | 0 | 0 | 9% |
| SE | J | 1 of 1 | D | 59 | 35 (59%) | 20 (34%) | 1 | 0 | 100% |
| SE | K | 2 of 2 | D | 40 | 22 (55%) | 4 (10%) | 1 | 0 | 100% |
| GE | L | 3 of 3 | N | 41 | 15 (37%) | 1 (2%) | 8 | 0 | 100% |
| DK | M | 3 of 3 | - | 54 | 42 (78%) | 12 (22%) | 0 | 0 | 100% |
| Min | 23 | 9% | 2% | 9% | |||||
| Max | 141 | 97% | 78% | 100% | |||||
| Mean | 594 | 59% | 24% | 76% | |||||