The virus is shed for one to three weeks postinfection. Latently infected cats (carriers) will shed FHV-1 intermittently for life, with the virus persisting within the trigeminal ganglion. Stress and use of corticosteroids precipitate shedding.
The virus is released for one to three weeks postinfection. Latently infected cats (carriers) will release FHV-1 intermittently throughout their lives, with the virus persisting within the trigeminal ganglion. Stress and use of corticosteroids trigger releases.