TABLE 2.

Detection of viral DNA by PCR during latent infection in brain sections of group A calves inoculated with BHV-5

Tissue section	Result for animala:				No. of animals with positive result/total no. of animals
	101	103	111	116
Olfactory bulb	−	+	−	+	2/4
Olfactory cortex	+	+	+	+	4/4
Anterior cortex	+	+	−	−	2/4
Dorso-lateral cortex	−	−	−	−	0/4
Posterior cortex	−	−	−	−	0/4
Cerebellum	+	+	+	−	3/4
Thalamus	+	+	+	+	4/4
Midbrain	+	+	+	+	4/4
Pons	+	+	+	−	3/4
Medulla oblongata	−	−	−	+	1/4
Cervical medulla	−	+	−	−	1/4
Trigeminal ganglia	+	+	+	+	4/4

^a+, positive for viral DNA; −, negative for viral DNA.