Image of all four equi jec packages and injectors Image of all four equi jec packages and injectors

EQUI-JEC® Vaccines

Convenience and Protection in One Shot

Keeping your horse healthy is the first step in protecting against preventative diseases. Vaccinating against common infectious diseases, like those covered by EQUI-JEC vaccine formulations, is a crucial part of preventive horse health care. 

We strongly recommend consulting a veterinarian for all horse health needs, 
including vaccinations. 

Why EQUI-JEC Vaccines?

For those who choose to vaccinate their horses themselves, EQUI-JEC vaccines bring Boehringer Ingelheim quality and safety in an over-the-counter vaccine portfolio that protects against a variety of common equine infectious diseases.

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Convenient

EQUI-JEC vaccines protect against multiple diseases in one convenient, pre-filled syringe. 

Two horses with their heads over a fence Two horses with their heads over a fence

Safe

Safety studies of 880 horses showed 98% were reaction-free after two doses of EQUI-JEC 7.1 

Horse owner vaccinating their own horse with an over the counter vaccine Horse owner vaccinating their own horse with an over the counter vaccine

Highly Effective

EQUI-JEC vaccines offer effective infectious disease protection from a variety of diseases.

At-a-glance chart comparing Equi-Jec vaccines for protection against various equine diseases." At-a-glance chart comparing Equi-Jec vaccines for protection against various equine diseases."

Boehringer Ingelheim Quality, Convenient Administration

For those who choose to vaccinate their horses themselves, EQUI-JEC offers a variety of protection options against Eastern encephalomyelitis (EEE), Western encephalomyelitis (WEE), Venezuelan encephalomyelitis (VEE), West Nile virus (WNV), tetanus, influenza and herpesvirus. 

Find EQUI-JEC vaccines online or at your local retailer. 

Additional Product Information

Dosage & Administration

Shake well before use. Using aseptic technique, vaccinate horses intramuscularly with a 1-mL dose. Administer a second 1-mL dose intramuscularly in 3 to 4 weeks using a different injection site. The need for annual booster vaccinations has not been established for this product; consultation with a veterinarian is recommended.

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Safety

Precautions: Store at 35-46ºF (1-8ºC). Do not freeze. Do not mix with other products. Do not vaccinate within 21 days before slaughter. In case of anaphylactoid reaction, administer epinephrine. In case of human exposure, contact a physician. 

See product insert for administration information. 

EQUI-JEC 7 has been shown to be effective for the vaccination of healthy horses 4 months of age or older, including pregnant mares, against Eastern, Western, and Venezuelan encephalomyelitis (EEE, WEE, VEE), West Nile virus (WNV), and tetanus, and against respiratory disease due to equine herpesvirus types 1 and 4 (EHV-1 & EHV-4) and equine influenza virus (EIV). The duration of immunity against EIV is at least 6 months and against WNV is at least 12 months. The duration for the remaining organisms has not been determined. For more information regarding efficacy and safety data go to productdata.aphis.usda.gov

This product has also been shown to be effective against shedding due to EIV and against viremia, mortality, and neurologic clinical disease due to WNV. 

Composition: Contains Kentucky lineage (KY/95), Florida sublineage clade 1 (OH/03) and Eurasian Newmarket/2/93 (NM 2/93) EIV strains. Amphotericin B and gentamicin added as preservatives. 

1 USDA Summary of Studies 

EQUI-JEC® is a registered trademark of Boehringer Ingelheim Vetmedica GmbH, used under license. ©2025 Boehringer Ingelheim Animal Health USA Inc., Duluth, GA. All rights reserved. US-EQU-0105-2024