Table 1.
Infectivity of Borrelia hermsii wild type and BhΔvmp Ex in C3H and SCID mice
| Day post inoculation | C3H mice infected with | SCID mice infected with | ||
|---|---|---|---|---|
| WT | BhΔvmp Ex | WT | BhΔvmp Ex | |
| 1 | 4/5a | 4/5 | 5/5 | 5/5 |
| 2 | 4/5 | 5/5 | 5/5 | 5/5 |
| 3 | 5/5 | 5/5 | 5/5 | 5/5 |
| 4 | 5/5 | 3/5 | 5/5 | 5/5 |
| 5 | 5/5 | 1/5b* | 5/5 | 5/5 |
| 6 | 5/5 | 0/5** | 5/5 | 5/5 |
| 7 | 5/5 | 0/5** | 5/5 | 5/5 |
| 8 | 5/5 | 0/5** | 5/5 | 5/5 |
| 9 | 5/5 | 0/5** | 5/5 | 5/5 |
| 10 | 5/5 | 0/5** | 5/5 | 5/5 |
SCID, severe combined immunodeficient; WT, wild type.
a
Value listed corresponds to the number of spirochete positive mice/number tested.
b
Statistically significant difference between mutant and wild‐type B. hermsii control groups denoted by asterisks as determined by Fisher's exact test (**p < .01, *p < .05).