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01 July 2022: Editorial

Editorial: World Health Organization (WHO) Variants of Concern Lineages Under Monitoring (VOC-LUM) in Response to the Global Spread of Lineages and Sublineages of Omicron, or B.1.1.529, SARS-CoV-2

Dinah V. Parums *

DOI: 10.12659/MSM.937676

Med Sci Monit 2022; 28:e937676

Table 1 The five (Pango) lineages of the B.1.1.529 or Omicron variant of SARS-CoV-2 include BA.1, BA.2, BA.3, BA.4, and BA.5.

OMICRON LINEAGEGEOGRAPHIC REGION OF FIRST DETECTIONDATE FIRST DETECTEDDATE OF DESIGNATIONWHO STATUS
B.1.1.529SOUTH AFRICA24 NOVEMBER 2021DESIGNATED AS A VOC ON 26 NOV 2021VOC
BA.1* SOUTH AFRICAJANUARY 2022RE-DESIGNATED AS A VOC ON 22 FEB 2022VOC
BA.2* SOUTH AFRICAJANUARY 2022RE-DESIGNATED AS A VOC ON 22 FEB 2022VOC
BA.3SOUTH AFRICAJANUARY 2022NON-DESIGNATED – DETECTED WORLDWIDE BUT WITH FEW CASESNON-DESIGNATED
BA.4* SOUTH AFRICAJANUARY 2022DESIGNATED AS A VOC-LUM ON 7 JUNE 2022VOC-LUM
BA.5* SOUTH AFRICAJANUARY 2022DESIGNATED AS A VOC-LUM ON 7 JUNE 2022VOC-LUM
* The WHO recommends that these descendant lineages of B.1.1.529 should be monitored as distinct lineages by public health authorities with comparative assessments of their viral characteristics.
VOC-LUM – variant of concern lineage under monitoring.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750