Table 1.
Prevalence and minimum infections rate of TBEV in Ixodes ricinus in the Odenwald Hill risk region
| District | Tick stage | No. of ticks | Positive pools | MIR | 95% CI |
|---|---|---|---|---|---|
| Odenwaldkreis (OK) | I.r. N | 3052 | 1 | 0.3 | 0.298–0.302 |
| I.r. Af | 285 | 0 | 0 | na | |
| I.r. Am | 370 | 0 | 0 | na | |
| I.r. Ac | 18 | 0 | 0 | na | |
| D.r. A | 0 | 0 | 0 | na | |
| Total | 3725 | 1 | 0.3 | 0.299–0.301 | |
| Neckar-Odenwald-Kreis (NOK) | I.r. N | 4650 | 0 | 0 | na |
| I.r. Af | 401 | 0 | 0 | na | |
| I.r. Am | 467 | 0 | 0 | na | |
| I.r. Ac | 6 | 0 | 0 | na | |
| D.r. A | 0 | 0 | 0 | na | |
| Total | 5524 | 0 | 0 | na | |
| Rhein-Neckarkreis (RNK) | I.r. N | 5965 | 3 | 0.5 | 0.498–0.502 |
| I.r. Af | 459 | 1 | 2.2 | 2.162–2.237 | |
| I.r. Am | 518 | 0 | 0 | na | |
| I.r. Ac | 20 | 0 | 0 | na | |
| D.r. A | 0 | 0 | 0 | na | |
| Total | 6962 | 4 | 0.6 | 0.599–0.601 | |
| Kreis Bergstraße (KB) | I.r. N | 1054 | 0 | 0 | na |
| I.r. Af | 254 | 0 | 0 | na | |
| I.r. Am | 290 | 1 | 3.5 | 3.394–3.606 | |
| I.r. Ac | 0 | 0 | 0 | na | |
| D.r. A | 84 | 1 | 11.9 | 11.622–12.178 | |
| Total | 1682 | 2 | 1.2 | 1.19–1.21 | |
| Total OWH | I.r. N | 14721 | 4 | 0.3 | 0.2996–0.3004 |
| I.r. Af | 1399 | 1 | 0.7 | 0.698–0.702 | |
| I.r. Am | 1645 | 1 | 0.6 | 0.598–0.602 | |
| I. r.Ac | 44 | 0 | 0 | na | |
| D.r. A | 84 | 1 | 11.9 | 11.622–12.178 | |
| Total | 17,893 | 7 | 0.4 | 0.3998–0.4002 |
Abbreviations: MIR, minimum infection rate depicted in %; 95% CI, 95% confidence interval; I.r., Ixodes ricinus; N, nymphs; Af, adult females; Am, adult males; Ac, coupling male and female; D.r., adult Dermacentor reticularis; OWH, Odenwald hill region; na, not available