Merck Prestige 4 Vaccine Single Dose

Regularly: $22.32
Today's savings: 10%

Sometimes, manufacturers require that products be advertised only at their suggested prices. When we choose to sell these items for less, we display the sale price only in the cart. To see the price, click Add to Cart.

Merck Prestige 4 Vaccine Single Dose


In Stock. Usually Ships within 24 hours.

Shipping weight = 0.01 lb.

Shipping Restrictions Apply: Must Ship 2 Day Service

Product Summary:

Merck® Prestige® 4 Vaccine 
(formerly Encevac® TC-4 Vaccine With Havlogen)

Merck® Prestige® 4 Vaccine provides 4-way protection. It aids in the prevention of Eastern/Western Equine Encephalomyelitis (EEE/WEE), also known as sleeping sickness and Tetanus as well as the control of Equine Influenza (EIV).                   Prestige® 4 includes updated Influenza strains including: Florida '13, Richmond '07 in addition to Kentucky '02.


  • Provides 4-way protection for your horse (2-way Sleeping Sickness + Tet + Flu)
  • Now with updated influenza strains including Florida '13, Richmond '07 in addition to Kentucky '02.
  • Includes Merck's exclusive proprietary Anitgen Purification System™ (APS) and exclusive Havlogen® Adjuvant, which is made from a filtration technology so advanced that vaccinations are 98% reaction free in field trials
Please Note: Vaccines are nonreturnable and nonrefundable.

Item Specifications:

Single Dose Syringe

Directions for Use:
Inject 1 ml IM, then repeat in 3-4 weeks. Booster annually.

When to Use:
Annually (usually in Spring)
Every 6 months (optional depending on risk)
Pregnant mares 4-6 weeks prior to foaling

For Shipping Information as well as additional product information, please see the clickable links labeled Vaccine Shipping Information, Product Label Information, and MSDS Sheet located to the right under "Downloadable Resources".

Needles or vaccines including needles require a prescription from your veterinarian if:
You order 21 or more and are shipping to Illinois.
You order 11 or more and are shipping to Connecticut, New Hampshire, or New York.
You order (any amount) and are shipping to Delaware or New Jersey.
Needles or vaccines including needles cannot be shipped internationally, to Guam, Puerto Rico, or the Virgin Islands.

Downloadable Resources
Vaccine Shipping Information* IMPORTANT INFORMATION *
Label InformationManufacturer Information
MSDS SheetManufacturer Information
Horse Vaccine Protection GuideManufacturer Information
Merck Vaccine ComparisonManufacturer Information
Item Number Model Number UPC
E020911 065634 662858903287
Additional Information:
Vaccine Shipping Information
  • Vaccines are nonreturnable and nonrefundable.
  • Vaccines are shipped in an insulated envelope or cooler with an ice pack.
  • Never put vaccines in a freezer.
Vaccines are shipped on the last pickup of the day, around 5:30 PM (Central Time). Orders packed prior to 5:30 PM (Central Time) are stored in a large walk-in cooler until they are loaded on the truck. Every effort is made to make sure your vaccines arrive as cool as possible. Please make arrangements to be home when your vaccines arrive, or have them delivered to a friend or neighbor who will be home and can refrigerate them immediately.

If you have any concerns or questions, please call us. A customer care representative will be happy to help you (Monday – Friday, 8 AM to 6 PM, Eastern Time).

Ordered on Ships on Arrives on
Monday before 2PM ET Monday Wednesday
Monday after 2PM ET Tuesday Thursday
Monday before 2PM ET Monday Wednesday
Tuesday before 2PM ET Tuesday Thursday
Tuesday after 2PM ET Wednesday Friday
Wednesday before 2PM ET Wednesday Friday
Thursday Monday Wednesday
Friday Monday Wednesday
Saturday Monday Wednesday
Sunday Monday Wednesday

Product Reviews by Customers

There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 4 questions Browse 4 questions and 3 answers
Why did you choose this? Store
Have used in the past.
Linda S on May 8, 2017
Have used in the past.
Linda S on May 8, 2017
I need a vaccine that offers west nile, rhino, tetnus in one vaccine, do you have one?
Brenda J on May 4, 2018
BEST ANSWER: Theres only one with Eastern/Western Equine Encephalomyelitis (EEE/WEE), also known as Sleeping Sickness, Tetanus and West Nile. Item E017289 Merck Encevac T Plus WNV Vaccine Multi Pack and you would select the dosage.
is the equine 4 way single dose 1ml?
shawn d on Mar 14, 2017
BEST ANSWER: Yes, this is 1 ml.
Can you give to pregnant mares?
Terri T on Jul 28, 2018