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Result

This is our interpretation of what the findings mean. Normally the result is either positive or negative. For example, the finding for an antibody ELISA may be an optical density of 200. If we use a cut-off of 150, this means that our interpretation of the finding is that the animal is positive - it has antibodies to the pathogen. Other possible results include protective or non-protective when doing post-vaccination surveillance; within acceptable limits or outside acceptable limits (food safety testing); light, medium or heavy load (worm eggs).