- Aug 23, 2020
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The PCR tests that they do at RAL can differentiate between the vaccine and the actual Mareks virus. Some other tests cannot and will show Mareks positive because of the vaccine.Yes all of mine are vaccinated.
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The PCR tests that they do at RAL can differentiate between the vaccine and the actual Mareks virus. Some other tests cannot and will show Mareks positive because of the vaccine.Yes all of mine are vaccinated.