Table 1.
Transmission of B. miyamotoi to experimental hosts by transovarially-infected larval I. scapularis ticks.
| Female tick source for the larvae | Total no. larvae fed per mouse | No. B. miyamotoi-infected larvae fed per mouse | Feeding status of infected larvae | No. experimental mouse hosts | Evidence of infection with or exposure to B. miyamotoi in micea | |||
|---|---|---|---|---|---|---|---|---|
|
| ||||||||
| B. miyamotoi DNA detected in mouse blood 10 d after larval attachment | Mouse serum reactive to B. miyamotoi 8 wk after larval feed | |||||||
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| No. infected mice | Percent of mice infected | No. seroreactive mice | Percent of mice seroreactive | |||||
| MN17-30/MN17-52 | 1 | 1 | Minimal/partial blood meal | 9 | 5 | 55.6 | 6 | 66.7 |
| MN17-30 | 1 | 1 | Complete blood meal | 8 | 4 | 50.0 | 7 | 87.5 |
| MN17-30 | 2 | 1 | Complete blood meal | 6 | 4 | 66.7 | 6 | 100 |
| MN17-30 | 2 | 2 | One with complete blood meal; One with minimal/partial blood meal |
3 | 2 | 66.7 | 3 | 100 |
| MN17-30 | 2 | 2 | Both with complete blood meal | 3 | 3 | 100 | 3 | 100 |
a
All individual mice with evidence of B. miyamotoi DNA in their blood 10 d after larval attachment also were seroreactive 8 wk after the larval feed.