One set of vaccines is effective but only for a short time (three to four weeks) because your puppy's immune system is still building. Your dog needs three sets of vaccines three to four weeks apart up to 16 weeks of age in order for him or her to be protected against harmful and sometimes deadly viruses and bacteria.
Why do dogs need 3 parvo shots?
In the case of Parvo, puppies receive multiple Parvo shots between the age of eight to sixteen weeks to make sure that they're always protected. According to PetMD, puppies are likely to have no maternal antibodies left once they turn 14 to 16 weeks old, which is why the last Parvo shot is given around this time.
Do puppies need 3 parvo shots?
Depending on your puppy's age, this may require 3-4 vaccinations for the Distemper/Parvo series until your puppy is 16-20 weeks of age. If your dog is over 16 weeks of age and isn't up-to-date on shots, or if you're not sure, your veterinarian may recommend a shorter series.
Do puppies need 3 or 4 parvo shots?
When do puppies start their vaccinations? In general, distemper and parvovirus shots are given at 6, 9, 12 and 16 weeks. The main rule to adhere to is that they should be given 3-4 weeks apart (4 weeks is the maximum), and the last should be given at or after 15-16 weeks.
Why do puppies need so many parvo vaccines?
Repeated puppy vaccines do not increase or “boost” the immunity in any way. Vaccines are repeated in order to make sure the puppy receives a vaccination as soon as his immune system is able to respond as we want it to – to respond by developing antibodies to the disease antigens in the vaccines.
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