Figure 1.

Agarose gel electrophoresis of feline herpesvirus-1 (FHV-1) amplification products (around 287 bp, arrowhead) on feline upper respiratory tract samples using primers and conditions described in article (with modification). Legend: M — 1 kb Plus DNA ladder (Invitrogen); Lane 1 — FHV-1 positive control; Lane 2 — FHV-1 negative control; Lane 3 — FHV-1 positive sample; and Lane 4 — FHV-1 negative sample. A sample represents pool of fluid from the following swabs: nasal, ocular, and oropharyngeal.