Table 1.

Growth of antibiotic-treated B. burgdorferi in mice.

Treatment	Organ culture positive	RT-PCR positive
a. Results∗ with scid mice (3 combined experiments)
0 μg/mL	4/5	3/3
10 μg/mL	3/3	2/3
50 μg/mL	0/7	0/4
b. Results with C3H mice (2 separate experiments)
0 μg/mL	2/5 and 2/2	3/3 and 2/2
10 μg/mL	1/3 and 0/4	2/3 and 3/4
50 μg/mL	1/7 and 1/4	0/4 and 1/4

^∗number of mice positive/total mice tested.