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- core-negative samples are found to be non-reactive;
- core-positive samples are found to be reactive;
- the ratios obtained are consistent/coherent for serial dilutions of samples from the same source material;
- the ratio interpretations are correct.
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- negative samples are found to be non-contaminated;
- positive samples are found to be contaminated. If identification of contaminated samples is performed routinely, identification results have to be submitted and the identification must be correct.
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