From: Survey of bluetongue virus infection in free-ranging wild ruminants in Switzerland
Score 0 | Score 1 | Score 2 | Score 3 | Total | ||||||
---|---|---|---|---|---|---|---|---|---|---|
n = 99 | n = 338 | n = 829 | n = 576 | n = 1842 | ||||||
ODP | ODP | ODP | ODP | ODP | ODP | ODP | ODP | ODP | ODP | |
30-49% | 50-100% | 30-49% | 50-100% | 30-49% | 50-100% | 30-49% | 50-100% | 30-49% | 50-100% | |
Screening ELISA | ||||||||||
VMRDa | 6 | 3 | 18 | 2 | 40 | 13 | 22 | 14 | 86 | 32 |
Confirmatory ELISAs | ||||||||||
VMRDb | 0 | 3 | 0 | 0 | 0 | 3 | 1c | 6 | 1c | 12 |
BDSL | 0 | 2 | 0 | 0 | 0 | 3 | 1c | 4 | 1c | 9 |
INGENASA | 0 | 2 | 0 | 0 | 0 | 3 | 1c | 3 | 1c | 8 |
Serum Neutralization Test | ||||||||||
Titer ≥ 1:2 | 0 | 2 | 0 | 0 | 0 | 3 | 1 | 4 | 1 | 9 |
Total seropositive | 2 | 0 | 3 | 5 | 10 | |||||
Confirmed positive / screening positive (ODP ≥ 30%) | 22.2% | 0% | 5.7% | 13.9% | 8.5% | |||||
Seroprevalence | 2.0% | 0% | 0.4% | 0.9% | 0.5% |