Volume 12, Number 12—December 2006
Research
Modulatory Effect of Cattle on Risk for Lyme Disease
Dania Richter*
and Franz-Rainer Matuschka*
and Franz-Rainer Matuschka*
Table
Prevalence of spirochetes in questing nymphal and adult Ixodes ricinus ticks sampled in and outside a cattle pasture, France*
| Cattle in site | Ticks examined | % Ticks infected by Borrelia | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stage | No. | % Infected | ±SD | B. afzeli | B. garinii | B. valaisiana | B. burgdorferi s.s. | B. lusitaniae | B. spielmanii | B. miyamotoi | |
| Present | Nymph | 238 | 5.5 | 5.8 | 2.9 | 0.4 | 0 | 0.4 | 0.4 | 0 | 1.3 |
| Adult | 136 | 5.9 | 3.7 | 3.7† | 1.5 | 0 | 0 | 0.7 | 0 | 0.7 | |
| Absent | Nymph | 95 | 22.1 | 5.8 | 5.3 | 9.5 | 4.2† | 0 | 4.2 | 0 | 0 |
| Adult | 236 | 40.3 | 2.3 | 13.6† | 12.7 | 3.0‡ | 0.4 | 7.6 | 1.3 | 3.0 *SD, standard deviation. *SD, standard deviation. | |
*SD, standard deviation.
†Includes a tick coinfected with B. garinii.
‡Includes 2 ticks coinfected with B. garinii.
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