Table 1. Cell viability assay.

Number of viable cells following B. burgdorferi co-incubationa
Neural cell line	MOI	Borrelia (1 hr)b	Borrelia (5 hrs)b	No Borreliacontrol (5 hrs)
UKF-NB-4	5	100	99	98
	10	97	98
	20	100	98
N2a	5	91	90	90
	10	89	90
	20	88	88

^a100 cells counted (average out of 3 measurements; rounded value).

^bCells co-incubation time with B. burgdorferi.