For more on Global COVID-19 activitiesSequencing is a laboratory technique that is used to read the genetic code and identify variants of SARS-CoV-2.
CDC is working with more than 20 countries in the Americas, Africa, Asia and Eastern Europe to establish or expand sequencing capacity so that more samples of SARS-CoV-2, including variants, can be identified, characterized, and reported.CDC supports the global COVID-19 response through collaborations with the World Health Organization (WHO), Ministries of Health, academic and research institutions, and other organizations in order to track the rapidly evolving situation of variants.
Read more on cdc.gov