I wouldnt be so sure. I have been dealing with canine papilloma virus since I got Samantha in July. She didnt have any warts when we got her and it started with a teeny little bump right below her nose. Then a few weeks later I saw a small cluster of 3 warts in her mouth. Just like the ones in your pic. Went to the vet and they diagnosed her w/ CPV and said a few more may pop up but would go away in about 12 weeks. Well she ended up w/ a huge clster of five in her mouth that kind of hung out, an enormous one in the corner of her eye, another big one on the corner of her nose, the one below her nose got really big, one on her gums above her teeth, and another one on the other side of her mouth. They all got about the size of a sweet pea maybe a little bigger. The vet saw them regularly when she went for her vaccs and they said it was normal. The warts never caused her any discomfort and the vet said, and I agreed, no need to go though the pain of removing them unless they are bothering her. Anyway they just started falling off 2 weeks ago and are almost all gone. The only one left is the one in the corner of her nose and its teeny now. So hers lasted about 16 weeks. If that is the first one you saw I'll bet there's more to come. Good luck. It isnt really harmful it's just not too physically appealing and people kept acting like she had the plegue. It isnt highly contageous to healthy dogs but I avoided places w/ a lot of other dogs. Mainly b/c everyone asked what was wrong and was disgusted. I dont have any pics b/c I wanted it to be over and forget it ev er happened. Hopefully your baby wont get that bad. Where did you get your dog by the way?