Strain
|
Ticks/mousea
|
Mouse infectivityb
|
---|
Bb297
|
5
|
2/2
|
BbKH500
|
5
|
1/2
|
|
10
|
4/6
|
- a Varying number of ticks infected with BbKH500 were allowed to feed to repletion on naïve mice.
- b Infection rates were assessed at three weeks post-infestation by culturing BbKH500 from ear-punch biopsies