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Live virus microneutralization titre (ND50) in participants who received two standard doses. ND50: Dilution to achieve 50% virus neutralization. Each dot represents one sample. Dotted line shows lower limit of the assay at a titre of 18. Error bars show bootstrapped 95% confidence intervals for model predicted values at day 28, 150, and 340 from the model output. These are also shown in Table S4. The dataset contains 198 samples from 114 participants
