TABLE 1.

Genotypes of PRV strains

Strain	Genotype	Reference(s)
PRV-Becker	PRV wild type	13
PRV-Kaplan	PRV wild type	13
NIA3	PRV wild type	13
PRV-160	Us9 null	4
PRV-91	gE null	7
PRV-98	gI null	30
PRV-Bartha	Δ(gI-gE-Us9, Us2), point mutations in gC, UL21, gM	3, 14, 16, 18, 19, 22
PRV-158	PRV-Bartha with Us9, gE, and gI restored	17
PRV-BaBe	Δ(gI-gE-Us9, Us2) isogenic with PRV-Becker	7