Is parvo still a risk on new carpet for my unvaccinated puppy?

It is unlikely that your home will have parvo in the environment. It can survive for a long time in soil, but in the home you would be looking at approximately 3 months after an infected dog had been present. You would have to buy special cleaner that is sensitive to parvo, most vets have this. Luckily nowadays parvo is quite rare, it is good that you are so concerned but dont think it is necessary to clean your shoes all the time. You could just remove them in the porch.

It sounds like you've done a good job disinfecting your home - if the new pup is finished with her vaccinations, the risk should be minimal. To be safe, you could certainly try and keep her in the areas of your home where your previous puppy never spent time or used the bathroom. But from what you've said here, it seems unlikely that Kiki would get sick - the parvo vaccine is usually very effective, so most cases that I see are in unvaccinated pups.

There is less risk for an adult fully vaccinated dog to develop parvovirus, but it can be a very hardy virus and live for a long time on clothing or shoes. To be safe I would change clothes after coming in contact with the puppy and wash hands thoroughly. You can clean shoes in a mixture of bleach and water (1:32).

Parvo virus is transmitted from the feces/vomit of one infected dog directly to another (it can survive in the soiled environment for over 12months if not adequately cleaned and disinfected with bleach). She should be isolated from any areas where she may have contact with non-vaccinated dogs or their feces until after her second parvo vaccination but your own house (or enclosed garden) should be relatively safe as long as any accidents from your previous pup have been removed and bleached/steamed

Yes, parvo lives in the environment for a very long time. The is not the most common way puppies contract it but is a possibility through people and animals spreading the virus. If there is an area that is contaminated, and the sheltie walks through it, it is then on the shelties feet. If you puppy licks or contact something contaminated, then he will be at risk. The best thing to do is keep the sheltie to a limited area in your yard to minimize his risk of touching it, then wiping his feet when he comes in.

Parvo can live in the environment for up to 6 months without proper cleaning, so it can be carried in on your shoes and clothes if you come into contact with the virus. If Tiny is vaccinated, it likely isn't an issue, but if you are interacting with unvaccinated pets or puppies and are concerned, cleaning or changing out shoes/clothes is best to avoid spreading it.

There is always some risk. Parvovirus lives in the environment for 5+ years so you can bring it home on your shoes any day. Certainly on areas where dogs defecate there can be a higher possibility if virus present, but as long as you are vaccinating at 3-4 week intervals then you are providing the best immunity possible. Best of luck and thank you for using Pet Coach.