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Confirmatory assay

What is a confirmatory assay?

Confirmatory Assays are used to confirm whether specimens found reactive with a particular screening test contain antibodies specific to the virus they have been tested for.

  • Expensive tests, first generation tests have proven to be prone to producing large numbers of indeterminate results.
  • LIAs ( Line immune-assays ) have been developed which in general produce fewer indeterminate results.
  • Studies have shown that combinations of ELISAs or Simple/Rapid assays can provide results as reliable as the confirmatory assays at a much lower cost.

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CMLF News Issue #7
27th January 2016