Guidance

SARS-CoV-2 variants of public health interest: 14 January 2022

Updated 21 April 2023

Position as of 14 January 2022.

Horizon scan

International epidemiology scan 11 January 2022
Imported sample mutation scan 11 January 2022
Signals in monitoring scan 11 January 2022
Phylogenetic cluster detection 7 January 2022
International mutation scan 21 December 2021
Domestic mutation scan 7 January 2022
Reinfections scan 7 January 2022
Vaccinees scan 19 December 2021
Signals investigated 7 January to 11 January 2022 3
New genomes 7 January to 11 January 2022 59,342

Note: Signals of individual mutations and new clusters are excluded until defined variant is identified.

SARS-CoV-2 variants of public health interest: variants detected in the UK

Variants of concern

Alpha (VOC-20DEC-01, B.1.1.7)
Beta (VOC-20DEC-02, B.1.351)
Gamma (VOC-21JAN-02, P.1)
Delta (VOC-21APR-02, and all sub-lineages, unless named elsewhere on the grid)
Omicron (VOC-21NOV-01, and all sub-lineages, unless named elsewhere on the grid)

Variants under investigation

Mu (VUI-21JUL-01, B.1.621)
VUI-21OCT-01 (AY.4.2)

Signals currently under monitoring and investigation

BA.2
B.1.640
Delta + E484K
AY.33
AY.34 (Delta + Q677H)
AY.43 (N:Q9L)

SARS-CoV-2 variants of public health interest: variants present in GISAID but not detected in the UK

International variants of concern

N/A

International variants under investigation

VUI-21JAN-01 (P.2)
VUI-21FEB-03, B.1.525
VUI-21FEB-04 (B.1.1.318)
VUI-21APR-01 (B.1.617.1)
VUI-21APR-03 (B.1.617.3)

International signals under monitoring

C.37
B.1.526
B.1 with 214insQAS
C.1.2
C.37 descendant (S:L5F, G75V, D614G, L452Q, E484K, P499R, N501T, H655Y, P681R)
B.1.214.2

SARS-CoV-2 variants of public health interest: variants that have become provisionally extinct

Variants provisionally extinct (not detected for 12 weeks in the UK or in GISAID)

VUI-21FEB-01 (A.23.1 with E484K)
VOC-21FEB-02 (Alpha with E484K)
VUI-21MAR-01 (B.1.324.1 with E484K)
VUI-21MAY-01 (AV.1)
VUI-21MAR-02 (P.3)

Signals provisionally extinct (not detected for 12 weeks in the UK or in GISAID)

A.30
B.1.633
AT.1
A.27
P.5
B.1.631, B.1.630, B.1.628
B.1.619
P.1.8
R.1
B.1.620
C.36.3
B.1.427/B.1.429