What do you mean by carrier? ​

Ans: A carrier is an individual who carries and is capable of passing on a genetic mutation associated with a disease and may or may not display disease symptoms. Carriers are associated with diseases inherited as recessive traits. ... An individual having one normal allele and one mutated allele does not have the disease.

One that carries : bearer, messenger. 2a : an individual or organization engaged in transporting passengers or goods for hire. b : a transportation line carrying mail between post offices.

As long as it was one lick and the dog is a bigger dog, it should be fine. watch it carefully for a few days.