TABLE 2.

Virus burdens in SCID/ICR mice after peripheral inoculation

Virus	Virus burden (log PFU/g [± SEM])a in:
	Serumb	Peritoneum	Heart	Lung	Muscle	Spleen	Liver	Kidney	Adrenal glands	Brain
SPYF-MN	3.2 (0.1)	2.4 (0.3)	1.1 (0.1)	2.4 (0.3)	2.0 (0.3)	1.8 (0.4)	0.62c	0.50 (0.1)	3.5 (0.4)	8.5 (0.4)
SPYF-E	3.3 (0.1)	2.4 (0.1)	1.5 (0.2)	2.1 (0.2)	2.5 (0.1)	2.0 (0.3)	0.95 (0.1)	0.64c	4.3 (0.3)	8.0 (0.2)
SPYF-EIII	2.7 (0.1)	2.5 (0.1)	1.2 (0.2)	2.0 (0.2)	2.7 (0.1)	1.6 (0.0)	0.65 (0.2)	0.40c	4.2 (0.1)	7.6 (0.2)
SPYF-EI-II	2.5c	1.6 (0.9)	1.0d	2.1 (0.7)	2.9 (0.3)	3.0c	0.91 (0.4)	0.67d	5.3 (0.5)	7.5 (0.2)

^aData are titers based on groups of three to six mice, except as noted. Tissues were harvested at the time that individual mice exhibited signs of encephalitis.

^bData for serum are given as PFU per milliliter.

^cn = 2.

^dn = 1.