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Vanguard CIV H3N2/H3N8 Logo


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*Backed by the Zoetis Petcare Immunization Support Guarantee (ISG).

Bivalent Vaccine

VANGUARD® CIV H3N2/H3N8, a bivalent canine flu vaccine with demonstrated safety and efficacy for protection against both highly contagious H3N2 and H3N8 strains of canine influenza virus (CIV).

  • One convenient vaccine helps protect dogs against both known CIV strains.
  • Helping protect your canine patients can also help protect dogs in your community.
  • Proven CIV protection from a trusted platform.

VANGUARD CIV H3N2 and VANGUARD CIV H3N8 monovalent vaccines are also available. These vaccines, as well as VANGUARD CIV H3N2/H3N8, are backed by the Zoetis Petcare Immunization Support Guarantee for the specific strain that is vaccinated against.

Vaccine Administration: For use in healthy dogs ≥8 weeks of age.

  • 2 doses, 3 weeks apart
  • The need for annual booster vaccinations has not been established.
  • Availability: 25 x 1-dose packages



Mon–Fri, 8:30am–8:00pm ET

This site is intended for U.S. Animal Healthcare Professionals. The product information provided in this site is intended only for residents of the United States. The products discussed herein may not have marketing authorization or may have different product labeling in different countries. The animal health information contained herein is provided for educational purposes only and is not intended to replace discussions with an animal healthcare professional. All decisions regarding the care of a veterinary patient must be made with an animal healthcare professional, considering the unique characteristics of the patient.

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