 [ Symptoms ] is a dog is saliva dangerous to infants [ Disease ] if it was all of us dog lovers would be dead a dog is saliva can contain a few pathogenic organisms but believe it or not there are more dangerous bacteria in a human is mouth and we do not like the same parts that dogs do infants raised with loving animals like dogs will grow up healthy and not have any more diseases than those raised without face licking dogs as a matter of fact the face licked babies may even be immunologically stronger with that said i do not think you should encourage dog saliva exposure but nor should you be appalled dogs express their love to humans by licking and this dog loves the baby