CDC LOCS Lab Update: New Clarification on Guidelines for Testing for SARS-CoV-2 (COVID-19)

September 23, 2020

On Friday, September 18, 2020, CDC revised its guidance on testing for SARS-CoV-2 (COVID-19) because of the significance of asymptomatic and pre-symptomatic transmission. The revised guidance reinforces the need to test asymptomatic persons, including those who have been in close contact with a confirmed case of COVID-19. See CDC’s Overview of Testing for SARS-CoV-2 (COVID-19) Web page.

Additional CDC resources:

  1. Interim Guidance for Rapid Antigen Testing for SARS-Cov-2
  2. Considerations for Use of SARS-CoV-2 Antigen Testing in Nursing Homes
  3. Frequently Asked Questions about Coronavirus for Laboratories
  4. Clinical Laboratory COVID-19 Response Calls
  5. CDC’s Laboratory Outreach Communication System (LOCS)
  6. COVID-19 Information for Laboratories
  7. CDC COVID-19 website
  8. Register for CDC Health Alert Network (HAN) notifications, including updates about COVID-19. Enter your email address, search for HAN, and sign up.

For more information, visit the Clinical Laboratory COVID-19 Response Call website.

If you have any questions, please contact LOCS@cdc.gov.

This Lab Update was originally published by the CDC Laboratory Outreach Communication System (LOCS) here.

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