The present invention provides waxy containing an effective amount of modified cat intestinal coronavirus per unit dose and a suitable carrier. The waxy of the present invention may also contain an adjuvant, a second modified virus of effective immune capacity and a modified bacteria of effective immune capacity. In addition, the present invention provides a method of immunizing a dog against a disease caused by a dog coronavirus by administering a unit dose of the wax of the present invention to a dog. The method of the present invention also provides a method of administering one or more additional unit doses of waxy to a dog, immunizing the dog against diseases caused by secondary viruses, and immunizing the dog against diseases caused by bacteria. It includes.
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