Revisions made on October 21, 2020
Added links to the updated close contact definition.
Updated language to align with updated definition and to align with sitewide 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 do ented 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