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  1. How to interpret COVID-19 Antigen Rapid Test Results - Aurora

    The COVID-19 Antigen Rapid Test has two lines. Both lines need to be looked at for a result. Learn about what the lines mean and how to read results.

  2. What Does a Positive Covid Test Look Like? | The Scientist

    Lateral flow tests for COVID-19 can be very accurate and specific when used as directed, but introducing acidic fluids can cause the tests’ detecting antibodies to clump, which may read as …

  3. Overview of Testing for SARS-CoV-2 | COVID-19 | CDC

    Aug 29, 2024 · These tests' results may be presumptive and require confirmation by NAAT. Please refer to each test's Instructions for Use (IFU) for specific interpretation. Positive viral …