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Immersion of O. hermsi larvae in a mixed suspension and transmission to mice prior to molting
| B. hermsii isolate used for immersion | Tick group | No. of ticks positive by IFA/total no. of ticks fed | Mouse spirochetemia |
|---|---|---|---|
| DAH | 1 | 2/3 | − |
| 2 | 2/5 | − | |
| MTW-2 | 1 | 1/3 | − |
| 2 | 0/6 | − | |
| 3 | 2/4 | − | |
| DAH + MTW-2 | 1 | 1/11 | − |
| 2 | 1/7 | − | |
| 3 | 0/3 | − |
