Table 2 SARS-CoV-2 lineages and variants detected in HCWs

BA.1.1

Omicron (BA.1-like)

133

57.1

BA.1

Omicron (BA.1-like)

44

18.9

BA.1

Probable Omicron (BA.1-like)

5

2.1

BA.2

Omicron (BA.2-like)

28

12

BA.2

Probable Omicron (BA.2-like)

1

0.4

AY.33

Delta (B.1.617.2-like)

5

2.1

AY.86

Delta (B.1.617.2-like)

2

0.9

AY.122

Delta (B.1.617.2-like)

5

2.1

AY.126

Delta (B.1.617.2-like)

2

0.9

B.1.617.2

Delta (B.1.617.2-like)

1

0.4

B.1.1.524

Not applicable

1

0.4

None

Omicron (unassigned)

2

0.9

None

Probable Omicron (unassigned)

4

1.7

Total

233

100