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I would absolutely advocate for a full series of vaccinations for parvovirus (and distemper, hepatitis, parainfluenza, leptospirosis), including the final booster at 16 weeks. You may want to consider lyme if its prevalent in your area (it is in mine), as retrievers have a higher rate of lyme nephritis leading to kidney failure.
Vaccinations in puppies are tricky, because the mother has antibodies that are transferred to the puppies, and they eventually wear off (anywhere between 6-20ish weeks) but no one knows exactly when. This varies between the actual viruses, different breeds, litters, and between individual puppies even. Sometimes it takes multiple shots for a puppy to develop enough immunity to prevent an infection, and if the vaccine is given while the mother's antibodies are still in the system, it may not be effective. Some veterinarians will recommend that Rottweilers and Dobermans actually receive their final parvovirus booster at 20 weeks rather than 16 because of this.
It may seem like overkill, but as you probably know parvovirus can be fatal to young puppies, and sometimes cause long lasting health consequences. I would say to go along with whatever your vet recommends. If they are OK with you coming back at 15 weeks, then its probably fine. If they say wait until 16 weeks, then I would do that. Its traditionally 16-17 weeks for the final set of shots.
Vaccinations in puppies are tricky, because the mother has antibodies that are transferred to the puppies, and they eventually wear off (anywhere between 6-20ish weeks) but no one knows exactly when. This varies between the actual viruses, different breeds, litters, and between individual puppies even. Sometimes it takes multiple shots for a puppy to develop enough immunity to prevent an infection, and if the vaccine is given while the mother's antibodies are still in the system, it may not be effective. Some veterinarians will recommend that Rottweilers and Dobermans actually receive their final parvovirus booster at 20 weeks rather than 16 because of this.
It may seem like overkill, but as you probably know parvovirus can be fatal to young puppies, and sometimes cause long lasting health consequences. I would say to go along with whatever your vet recommends. If they are OK with you coming back at 15 weeks, then its probably fine. If they say wait until 16 weeks, then I would do that. Its traditionally 16-17 weeks for the final set of shots.
