Variant |
| Waves | p | |||
Total n = 86 (%) | 1st n = 21 (%) | 2nd n = 37 (%) | 3rd n = 20 (%) | 4th n = 8 (%) | ||
Alpha Beta Delta Omicron | 26 (30.2) 36 (41.86) 16 (18.6) 8 (9.3) | 10 (47.6) 11 (52.4) 0 0 | 16 (43.2) 21 (56.8) 0 0 | 0 4 (20) 16 (80) 0 | 0 0 0 8 (100) | <0.001 |