TABLE 3.
Assessment of superinfection by a heterologous strain of B. burgdorferi in SCID, NOD, and C3H mice
| Tissue collected (day postchallenge) | No. positive/total no. of samples superinfected fromb: |
||
|---|---|---|---|
| 297-infected SCID mice | 297-infected NOD mice | 297-infected C3H mice | |
| Blood (7) | 0/5a | 4/5 | 0/5 |
| Ear (14) | 0/5 | 0/5 | 0/5 |
| Ear (21) | NAc | 0/5 | 0/5 |
| Tissues (28) | |||
| Ear | 0/5 | 1/5 | 2/5 |
| Heart | 3/5 | 2/5 | 4/5 |
| Bladder | 1/5 | 1/5 | 3/5 |
| Joint | 3/5 | 1/5 | 3/5 |
| Total no. of infected miced (28) | 4/5 | 2/5 | 4/5 |
a
Values listed correspond to numbers of cultures positive/numbers tested.
b
Samples were superinfected via tissue transplantation with host-adapted (ha) wtB31-kanr.
c
NA, not assessed.
d
Based on combined results obtained from culturing ear, heart, bladder, and tibiotarsal joint.