Table 3.
Total frequency and variant frequency of some of the S mutations used in the classification of SARS-CoV-2 variants.
| Mutation | No. Genomes (% a) | No. Genomes (% b) in Variants | |||||
|---|---|---|---|---|---|---|---|
| Alpha | Beta | Delta | Epsilon | Gamma | Omicron | ||
| Δ69/70 | 945,256 (17.70%) | 895,448 (94.73%) | 14 (0.001%) | 3850 (0.41%) | 287 (0.03%) | 189 (0.02%) | 19,260 (2.04%) |
| W152C | 45,304 (0.85%) | 9 (0.02%) | 0 (0%) | 29 (0.06%) | 45,192 (99.75%) | 2 (0.004%) | 1 (0.002%) |
| K417N | 383,722 (7.18%) | 137 (0.04%) | 24,366 (6.35%) | 5353 (1.40%) | 10 (0.003%) | 2 (0.0005%) | 352,543 (91.87%) |
| K417T | 88,480 (16.32%) | 32 (0.04%) | 0 (0%) | 59 (0.07%) | 1 (0.001%) | 86,902 (98.22%) | 1426 (1.61%) |
| L452R | 3,149,260 (58.97%) | 450 (0.01%) | 28 (0.0009%) | 3,075,838 (97.67%) | 45,457 (1.44%) | 42 (0.001%) | 1847 (0.06%) |
| E484A | 357,227 (6.69%) | 20 (0.006%) | 0 (0%) | 2595 (0.73%) | 1 (0.0003%) | 0 (0%) | 354,118 (99.13%) |
| N501Y | 1,396,003 (26.14%) | 914,121 (65.48%) | 25,377 (1.82%) | 1520 (0.11%) | 25 (0.0002%) | 89,927 (6.44%) | 348,897 (24.99%) |
a The percentage is calculated in relation to the total number of genomes. b The percentage of each variant is calculated in relation to the total number of genomes containing that mutation.