Overview of testing for SARS-CoV-2 (COVID-19)
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Up-to-Date Info: To find the latest CDC information on this topic go to: https://www.cdc.gov/coronavirus/2019-ncov/index.html

Overview of testing for SARS-CoV-2 (COVID-19)

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      Updated Sept. 18, 2020 Summary of Changes Clarifications made on September 18, 2020 • Due to the significance of asymptomatic and pre-symptomatic transmission, this guidance further reinforces the need to test asymptomatic persons, including close contacts of a person with documented SARS-CoV-2 infection. Revisions made on August 24, 2020 • Diagnostic testing categories have been edited to focus on testing considerations and actions to be taken by individuals undergoing testing Revisions made on July 17, 2020 • Except for rare situations, a test-based strategy is no longer recommended to determine when an individual with a SARS-CoV-2 infection is no longer infectious (i.e., to discontinue Transmission-Based Precautions or home isolation) Revisions made on July 2, 2020 • Added screening to possible testing types • Removed examples – please refer to setting specific guidance This document provides a summary of considerations and current Centers for Disease Control and Prevention (CDC) recommendations regarding SARS-CoV-2 testing strategy. The CDC recommendations for SARS-CoV-2 testing have been developed based on what is currently known about COVID-19 and are subject to change as additional information becomes available.
    • Content Notes:
      Viral Testing -- Antibody Testing -- CDC Mitigation Protocols -- Considerations for SARS-CoV-2 Diagnostic (Molecular or Antigen) Testing.
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