TABLE 2.

MAb treatment of mice infected with SM and MC switch variants

Infection and treatment regimen	Median days of survivala
	SM control	SM + MAb	MC control	MC + MAb	P valueb
104 cells i.t. + 1 mg of MAb	99	129	32	48	0.0018
105 cells i.t. + 1 mg of MAb	53	53	29	32	No difference
106 cells i.t. + 1 mg of MAb	59	76	31	38	0.03
5 × 106 cells i.p. + 0.5 mg of MAb	3	10	4	3	0.02
105 cells i.p. + 0.5 mg of MAb	39	45	4	5	No difference

^an = 10 mice per treatment group.

^bLog rank denotes difference in survival.