From the Scope and Objective: "This technical guidance provides guidance to laboratories, microbiology experts and relevant stakeholders in making decisions on establishing or scaling up capability and capacity to detect and identify circulating SARS-CoV-2 [severe acute respiratory syndrome coronavirus 2] variants, and in making decisions on which technologies to use and for which objective. The objective of this document is to present the available methods (screening and sequencing) for detection and identification of circulating SARS-CoV-2 VOCs [variants of concern]. The document also outlines quality assessment issues, as well as considerations on sample and method selection and results reporting based on the different objectives of testing."
2021 European Centre for Disease Prevention and Control; World Health Organization. Posted here with permission. Document is under a Creative Commons license and requires proper attribution and noncommercial use to be shared: [https://creativecommons.org/licenses/by-nc-sa/3.0/igo/]
European Centre for Disease Prevention and Control: https://www.ecdc.europa.eu/