Has your cat caught a cold? It could be feline herpes, also known as feline viral rhinopneumonitis (FVR), rhinotracheitis virus and feline herpesvirus type 1 (FHV- 1). Feline herpesvirus (FHV, FHV-1) is a highly contagious virus that is one of the major causes of upper respiratory infections (URIs) or cat flu in cats. A bleach solution (1 part regular bleach to 32 parts water) is an effective. In chronic nasal and sinus disease of cats, FHV-1 may play more of an initiating role than an ongoing cause. At that time, the cat had received only one dose of core vaccine (panleukopenia virus, felid herpesvirus 1 [FHV-1], feline calicivirus), while the vaccination. Feline Herpes Virus (FHV) is a major cause for conjunctival and corneal disease in cats and is one of the most frustrating diseases to manage.