We just got a 15 week old Welsh terrier. He just got his second round of vaccinations at 15 weeks (which seems a little late, but was out of our control). We live in a 3rd floor walkup in New York City on a street with tons of pedestrians and dogs, so we're afraid of taking him out to potty because we're afraid of him getting parvo.
He won't be done with vaccines until he's 19 weeks and I'm afraid at that point it'll be really hard to break the habit of going in the apartment. What do we do? We're trying to paper train him, taking him to the kitchen with a pee pad. He's only allowed near the pee pad when it's bathroom time.
Some people seem to think it's ok to take him outside, as long as we keep him from other dogs, but I have no idea what the risk is or how common parvo is here. Dogs' pee and poop is on the sidewalk all the time, and there are a lot of them. Help!
Update: Did the pee pads for a little while, then started taking him out to the same spot that seemed somewhat low risk (no soil, just asphalt). After a few weeks of rewarding him with treats for going outside, he hasn't had an accident in a while, and tells us when he wants to go out. All is well.