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Pet Vaccine Requirements and Protocols

The state of Texas requires that dogs and cats be vaccinated against rabies by 4 months of age and on a 1-year or 3-year basis thereafter depending on the vaccine used.* Additionally, when traveling with a dog or cat, have in your possession a rabies vaccination certificate that was signed by a veterinarian. Check with your veterinarian about other vaccines that are available for a wide range of diseases.

All dogs and cats over 3 months of age that are being transported into Texas must have been vaccinated against rabies within the last 12 or 36 months depending on the vaccine used.*

Although not required by law, it is recommended that livestock (especially those that have frequent contact with humans), domestic ferrets, and wolf-dog hybrids should be vaccinated against rabies. Again, check with your veterinarian about other available vaccines for these animals.

For an animal to be considered currently vaccinated, at least 30 days must have elapsed since the initial vaccination and not more than 12 or 36 months (depending on the vaccine used*)can have elapsed since the last vaccination.

If a domestic animal has possibly been exposed to a rabid animal, contact your local animal control agency. There are different procedures to follow depending on whether or not the domestic animal was currently vaccinated or not. Although humane killing of the animal is offered as an option in either scenario, there are also vaccination and isolation protocols that are possible through Texas law. For instance, a currently vaccinated animal would receive an immediate rabies booster and would be kept in strict isolation for 45 days. However, if the animal was not currently vaccinated, it would receive a series of 3 rabies vaccinations (immediate and during weeks 3 and 8) and be kept in strict isolation for 90 days.

If a domestic animal bites a person, contact your local animal control agency. A biting domestic dog, cat, or domestic ferret must be placed in quarantine until the end of a 10-day observation period that starts at the time of the bite incident. Bite scenarios involving other domestic animals need to be evaluated on a per incident basis.

Refer to Texas Administrative Code - Chapter 169, Subchapter A, Rabies Control and Eradication for details on vaccine requirements and protocols as mandated by the state of Texas.

* All dogs and cats must receive a second rabies vaccination within one year of receiving their first vaccination, regardless of the type of vaccine used or the age at which the animal was initially vaccinated.


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Last Updated: Saturday, October 01, 2005

Texas Department of State Health Services - Infectious Disease Control Unit
1100 West 49th Street, Suite T801, Mail Code: 1960 PO BOX 149347 - Austin, TX 78714-9347
(512) 458-7676 - Fax: (512) 458-7616 -

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