Updated On September 23rd, 2025
Pet's info: Dog | Flat-Coated Retriever | Male | unneutered
If one puppy from a litter of eleven puppies does not receive it's first puppy vaccination at the same time as his siblings, will this one puppy be at great risk of contracting disease from it's vaccinated siblings. The puppies are being vaccinated at almost 8 weeks old and the unvaccinated puppy would be with his vaccinated siblings for 2 days before going to his new home?
4 Answers
Published on January 11th, 2019
Hello and welcome to Petco Pet Education Center, formerly Petcoach. The unvaccinated Puppy will be at risk of contracting viruses from the environment that the litter-mates will be protected from, not at risk of getting the virus from the other puppies. If the environment is clean and free from viruses, and no exposure to unvaccinated animals occurs, then Junior should be ok. I recommend getting him vaccinated ASAP. At 8 weeks though he should still have some immunity from his mom if she was vaccinated. Best of luck with Junior!
1Pet Parents found this answer helpful
Published on August 19th, 2017
As long as the other puppies are not in contact with other dogs and they live all together, that might be fine, aka, if none of them are exposed to possible puppy viruses. That said, if the puppies do not live all together anymore, then I would advise he does not see them anymore until they are properly vaccinated, sadly littermates that are separated and expose two different environments are not safe went back together if not properly vaccinated. You had a great question , I truly enjoyed answering it and hope you will use Petco Pet Education Center, formerly Petcoach in the near future. PS puppies must be vaccinated every 2 to 4 weeks until they are four months of age, this starting as early as 6 to 8 weeks and in some cases, in a shelter environment, as early as 4 to 5 weeks of age.
1Pet Parents found this answer helpful
Published on January 29th, 2020
Hello. There is very little danger of your new puppy contracting anything from the older one ( & visa versa ). The problem is with what is infectious & dangerous out in the world, so keep your little one at home, no parks, playdates or trips to the pet superstores until he has received the full series of vaccinations around 4 months of age. Thanks for using Petco Pet Education Center, formerly Petcoach.
4Pet Parents found this answer helpful
Published on March 6th, 2018
It would be best to keep them separate and take your older dog in for his vaccinations before they get together. The puppy can start his vaccinations between 6-8 weeks. He should be dewormed also. I would. To expose him to other dogs outside the home until he’s had at least two sets of vaccinations. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Luke.
1Pet Parents found this answer helpful
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