Contact Us

For more information on Nobivac® Canine Flu H3N2, Canine Influenza Vaccine H3N2, or Nobivac® Canine Flu Bivalent, contact your local Merck Animal Health Representative, call Customer Service at 1-800-521-5767 or Technical Services at 1-800-224-5318, or visit If you are a dog owner, please contact your veterinarian for more information.

To report an adverse reaction, product-related problem, or human exposure, please call Merck Animal Health Technical Services:

  • 800-224-5318 Companion Animal (Dogs, Cats, Horses)

For after-hours emergencies, please call the number shown above. A recorded message will provide the telephone numbers for emergency support services if immediate assistance is needed.

Postal Address
Intervet Inc., d/b/a Merck Animal Health, 2 Giralda Farms,
Madison, NJ 07940