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Comparison of neutralization of B117-1 and B117-2 in serum specimens from 60 convalescent COVID-19 patients.
| Difference in microneutralization antibody titer between B117-1 and B117-2 | No. of patients (%) (n=60) |
|---|---|
| No difference | 4 (6.7) |
| B117-1 > B-117-2 | |
| ≥2-fold | 56 (93.3) |
| ≥4-fold | 35 (58.3) |
| ≥8-fold | 9 (15) |
