Overview Prestige® WNV has been shown to be effective for the vaccination of healthy horses 6 months of age or older against West Nile Virus. This product has been shown to be effective against encephalitis and viremia caused by West Nile Virus.

  • Use prior to mosquito season; generally spring (depending on region of country)
  • Exceptional safety profile with Havlogen® adjuvant and Antigen Purification System™
  • West Nile virus is a core vaccine, recommended by AAEP for all horses, every year