Prestige WNV Equine Vaccine

Targeted West Nile Protection for Horses

Product Description

Prestige® WNV is a killed West Nile Virus vaccine for healthy horses 6 months of age and older. Prestige WNV helps protect against West Nile Virus, a mosquito-borne disease that can cause severe neurologic illness. The single-antigen formula supports core vaccination planning and can be used as part of a veterinarian-guided annual program for horses with seasonal exposure to mosquitoes.

Benefits

• WNV Protection: Helps vaccinate horses against West Nile Virus infection risk.
• Single-Antigen Focus: Provides targeted WNV coverage without combination vaccine antigens.
• Demonstrated Efficacy: Shown to be effective against encephalitis and viremia caused by WNV.
• Core Program Fit: Supports yearly vaccination planning for most equine management programs.
• Streamlined Dosing: Uses a two-dose primary series to establish initial protection.

Ingredients

Active Ingredient: West Nile virus – killed flavivirus chimera.
Antibiotic: Gentamicin.
Preservative: Thimerosal.
Adjuvant: Havlogen® adjuvant.

How to Use

Dosage & Administration Instructions

• Primary Series: Administer 1 mL intramuscularly, then repeat in 3-4 weeks.
• Revaccination Note: Historically recommended annually; the need for this booster has not been established.
• Foal Guidance: Maternal antibodies may interfere; additional boosters are required in most young animals.
• Injection Route: Inject deep intramuscularly only.
• Veterinary Guidance: Consult a veterinarian for revaccination frequency based on risk.

Additional Information

Precautions

• Cold Storage: Store at 2°-8°C (35°-46°F) and shake well before use.
• Handling Rules: Use entire contents when opened; do not mix with other products.
• Pregnancy Note: Product has not been tested in pregnant animals.
• Slaughter Timing: Do not vaccinate within 21 days before slaughter.
• Reaction Care: Local/systemic reactions may occur; treat allergic reactions with epinephrine.

Shipping & Returns

We offer ground, express, priority, and international delivery; see our shipping policy for details.

For return instructions or product concerns, please refer to our detailed refund policy.

NOTE: This item requires Express Shipping due to its perishable nature. Express orders are shipped Monday - Wednesday. Cannot be shipped to a P.O. box. The product can only be shipped to the continental US. Please note that a signature will be required upon delivery to confirm receipt of the order.

Frequently Asked Questions

Q1: What does Prestige® WNV Equine Vaccine protect horses against?

Ans: Prestige® WNV Equine Vaccine is indicated for healthy horses 6 months of age or older to help protect against West Nile Virus. The product is effective against encephalitis and viremia caused by West Nile Virus.

Q2: What is the recommended dosing schedule for Prestige® WNV?

Ans: For primary vaccination, administer 1 mL intramuscularly and repeat with a single 1 mL dose in 3-4 weeks. Historically, annual revaccination has been recommended; however, the manufacturer states that the need for a booster has not been established.

Q3: How is Prestige® WNV administered to horses?

Ans: Prestige® WNV is given as a deep intramuscular injection. The label directions specify intramuscular administration only, as improper routes can increase the risk of injection-site reactions. Use aseptic technique and follow the veterinarian's guidance for selecting the injection site.

Q4: Can Prestige® WNV be used for foals?

Ans: The label indicates maternal antibodies can interfere with the development of active immunity in foals, and additional boosters will be required in most young animals. A veterinarian should determine the best timing based on the foal's age and the dam's vaccination history.

Q5: Does Prestige® WNV provide a defined duration of immunity?

Ans: The manufacturer notes that the duration of immunity for Prestige WNV has not been established. For this reason, the timing of ongoing boosters should be determined in consultation with a veterinarian, taking into account factors such as mosquito exposure, geography, travel, and disease risk at the farm or facility.

Q6: What are common reactions after Prestige® WNV vaccination?

Ans: Local reactions may occur at injection sites, and most resolve within 3–7 days. Systemic reactions may also occur following vaccination. If an allergic reaction occurs, label guidance indicates treatment with epinephrine and veterinary attention.

Q7: How should Prestige® WNV be stored and handled?

Ans: Store Prestige® WNV refrigerated at 2°-8°C and shake well before use. Use the entire contents when first opened. Do not mix with other products. Maintain cold-chain handling to support product integrity during storage and use.

Q8: Can Prestige® WNV be given to pregnant mares?

Ans: The label states Prestige® WNV has not been tested in pregnant animals. A veterinarian should assess the risk-benefit ratio and determine whether vaccination timing should be adjusted for pregnant mares, especially when coordinating other core vaccines and considering farm exposure.

Q9: Is Prestige® WNV considered a core vaccine for horses?

Ans: West Nile Virus vaccination is commonly included in core equine vaccination planning because mosquitoes transmit WNV and can cause severe neurologic disease. A veterinarian should confirm the local risk and recommend a time that aligns with the mosquito season's peak exposure.