This is why you should never let your dog lick your mouth
This is why you should never let your dog lick your mouth. Most people think it is cute to give. although the dog is the most common companion animal, the composition of the canine oral microbiome, which may include human pathogenic bacteria.
Our bodies contain around eight million genes. Yet only about 0.3 percent are human. The rest come from your microbiome – the sum total of genes from the numerous microbes (mostly bacteria, but also viruses, yeasts and fungi).
Sometimes, the oral contact between dogs and their owners can be more extensive than that between parent and child. Dogs kiss and lick their owners to express amiable emotions. This raises the possibility of transferring bacteria from the oral microbiome of dogs to their human owners.