TABLE 2.

Virus isolation from organs of pigs infected with PrV-Ka or PrV-gD⁻ Pass

Tissue examined	Virus	PFU/gram of tissuea
		2 days p.i.	4 days p.i.	5 days p.i.	6 days p.i.	8 days p.i.	10 days p.i.
Nasal mucosa (regio cutanea)	Ka	++++++	+++++	+++++++	++	++	0
	gD− Pass	0	0	0	0	0	0
Nasal mucosa (regio respiratoria)	Ka	+++	+++++	+++++++	++++	0	0
	gD− Pass	0	0	0	0	0	0
Nasal mucosa (regio olfactoria)	Ka	+++++	++++	++++++	+	0	0
	gD− Pass	0	0	0	0	0	0
Tonsil	Ka	ND	++++	+++++	++++	+	0
	gD− Pass	0	0	0	0	0	0
Lymphonodus mandibularis	Ka	+	++	++	0	0	0
	gD− Pass	0	0	0	0	0	0
Lung	Ka	0	+++	++++	ND	0	0
	gD− Pass	0	0	0	0	0	0
Bulbus olfactorius	Ka	0	+++	+++++	0	0	0
	gD− Pass	0	0	0	0	0	0
Pedunculus olfactorius	Ka	+	+	++++	0	0	0
	gD− Pass	0	0	0	0	0	0
Ganglion trigeminale	Ka	++++	+++	++++	++++	0	0
	gD− Pass	0	0	0	0	0	0
Medulla oblongata	Ka	0	+	++	+	0	0
	gD− Pass	0	0	0	0	0	0
Pons	Ka	++	++	+++	+++	0	0
	gD− Pass	0	0	0	0	0	0
Diencephalon	Ka	0	+	+++	0	0	0
	gD− Pass	0	0	0	0	0	0
Cerebellum	Ka	0	+	+	0	0	0
	gD− Pass	0	0	0	0	0	0
Mesencephalon	Ka	0	0	++	0	0	0
	gD− Pass	0	0	0	0	0	0
Cerebrum	Ka	0	0	++	0	0	0
	gD− Pass	0	0	0	0	0	0

^a+, 10¹ PFU; ++, 10² PFU; +++, 10³ PFU; ++++, 10⁴ PFU; +++++, 10⁵ PFU; ++++++, 10⁶ PFU; +++++++, 10⁷ PFU; 0, no virus was isolated; ND, not determined.