TABLE 2.

Outcome of CB4-V infection in immunologically deficient mice

Gender	Mouse strain	No. infected	% Mortalitya	Time of death (days p.i.)
Male	BALB/cByJ	29	100	4–10
	SCID	7	100	4–5
	Nude	7	100	3–4
	CD4 ko	11	0
	IL-4 ko	34	47	14–21
	IFN-γ ko	18	100	5–7
	D011.10	8	0
Female	BALB/cByJ	57	67	4–13
	SCID	7	100	4–5
	Nude	7	100	3–4
	CD4 ko	16	0
	IL-4 ko	20	21	33–40
	IFN-γ ko	24	21	8–14
	D011.10	8	0

^aPercent mortality was determined from the number of mice that became moribund. Moribund mice were euthanized.