Aktiv immunisering af heste fra 6 måneders alderen mod hestens influenza for at reducere de kliniske symptomer og udskillelse af virus efter infektion, samt aktiv immunisering mod stivkrampe for at forhindre dødelighed.
Active immunisation of horses from 6 months of age against equine influenza to reduce clinical signs and virus excretion after infection, and active immunisation against tetanus to prevent mortality.