Table 1.
Prevalence of Anaplasma phagocytophilum DNA within Ixodes ricinus ticks throughout Switzerland
| Sample | No. of ticks | No. of pools | Pool prevalence | Estimated prevalence in individual ticksa | Maximum infection rate | Minimum infection rate |
|---|---|---|---|---|---|---|
| Nymphs | 42 576 | 4331 | 12.1% (523/4331) | 1.3% | 8.2% (5134/62 879) | 0.8% (523/62 879) |
| Adults | 20 313 | 4203 | 11.8% (495/4203) | 2.55% | 3.8% (2401/62 879) | 0.8% (495/62 879) |
| Total | 62 889 | 8534 | 11.9% (1018/8534) | 1.71% | 12% (7535/62 879) | 1.6% (1018/62 879) |
a
Estimated prevalence using maximum likelihood method of Williams and Moffitt [15].