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The next category of requirements deals with follow-up of the screening
results. The test only identifies those at risk of disease.
Confirmatory testing is required and if positive, a treatment that
can alter the course of disease is required.
There is no point offering screening, even with a very good test,
when there is no treatment available for the condition detected.
Furthermore, follow-up tests and treatments should be readily available.
Those doing the follow-up should be in agreement as to what should be done.
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