You can test positive after a vaccine.. Do not know about actualy contracting it. I hope hope hope it is not parvo.
If it is whether the breeder has it in other pups or not it came fromt he breeder like that.Did the breeder offer a health guarantee?
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If infected with the parvovirus, the body's immune system mounts a response in an attempt to fight off the infection. Antigens are formed and can be detected by the parvo test. Shortly after vaccination (5 to 17 days) with the parvo vaccine, parvo antigen can be shed and may result in false positive test results.
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The test has some limitations that are important to realize. Recent vaccination with a live vaccine (the type of vaccine that is most effective) may interfere with the test results. This means that the test may detect the live virus in the vaccine and show a positive reading when, in fact, the puppy does not have a parvo infection. Classically, this interference occurs 5-12 days after vaccination so if a positive fecal ELISA test is obtained within this period after vaccination, additional tests may be recommended.
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Especially read this one.....
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Recall that one of the first actions of the canine parvovirus is to inhibit white blood cell division in the bone marrow. The virus essentially turns the immune system off before making its deadly way to the GI tract. This is a feature of parvoviruses in all species which means that a characteristic drop in white blood cell count is seen on a blood panel. This characteristic finding is especially helpful in the diagnosis of a recently vaccinated puppy as the ELISA test maybe positive from the vaccine but if the white count is normal, the puppy is probably not infected. The white blood cell count is commonly monitored in the treatment of a parvovirus case. If the puppy is not presented to the veterinarian until later in its disease course, it is possible to miss the white cell drop and not correctly make the diagnosis.
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