Table 1.

Infectious virus titres in liver, spleen and bone marrow from pathogenic L2-MHV3- and attenuated YAC-MHV3-infected C57BL/6 mice

		Virus titres (log10 TCID50/ml)
Organ	Virus	24 h p.i.	72 h p.i.
Liver	Control	<1·6	<1·6
	L2-MHV3	3·1 ± 0·5	5·2 ± 0·5
	YAC-MHV3	2·1 ± 0·3	3·4 ± 0·4
Spleen	Control	<1·6	<1·6
	L2-MHV3	2·3 ± 0·3	4·1 ± 0·5
	YAC-MHV3	<1·6	2·5 ± 0·3
Bone marrow	Control	<1·6	<1·6
	L2-MHV3	2·8 ± 0·2	4·8 ± 0·5
	YAC-MHV3	1·8 ± 0·3	2·3 ± 0·4