Table 2.
Transmission outcomes for outbred mice fed upon for different durations of time by one or two B. mayonii-infected I. scapularis nymphs
| Duration of nymphal feeding | Feeding by one B. mayonii-infected nymph |
Feeding by two B. mayonii-infected nymphs |
||||
|---|---|---|---|---|---|---|
| No. mice examined | No. mice with evidence of infectiona | Percent of mice with evidence of infection | No. mice examined | No. mice with evidence of infectiona | Percent of mice with evidence of infection | |
| 24 h | 24 | 0 | 0 | 3 | 0 | 0 |
| 48 h | 17 | 0 | 0 | 4 | 1 | 25.0 |
| 72 h | 16 | 5 | 31.2 | 7 | 5 | 71.4 |
| Complete feed | 14 | 8 | 57.1 | 6 | 5 | 83.3 |
a
As determined by culture of ear biopsies to detect live spirochetes and serological reactivity to B. mayonii.