TABLE 2.

Data for transfusion of CD4⁺ T-cell line at days 13 (2 × 10⁶) and 3 (1 × 10⁶) before BDV infection^a

T-cell transfer	Day p.i.	Symptoms	Encephalitis	Antibody titer (log2)	Virus titer (log10)	Presence of mRNA
						BDV	CD8	Perforin
−	9	0, 0	0, 0	<1, <1	2.5, 3.0	+, +	−, −	−, −
+	9	0, 0	0.5, 1.0	1, 4	2.5, 3.0	+, +	+, +	+, +
−	14	0, 0.5	0.5, 1.0	6, ≥8	3.0, 5.3	+, +	+, +	+, +
+	14	0.5, 0.5	0.5, 1.0	≥8, ≥8	1.0, 3.0	+, +	+, +	+, +
−	23	1.5, 1.5	1.5, 2.0	≥8, ≥8	5.3, 5.3	+, +	+, +	+, −
+	23	0, 0	0, 0	≥8, ≥8	<1.0, <1.0	−, −	+, +	+, +

^aData are for individual rats. Encephalitis and clinical scores were on a scale ranging from 0 to 3.