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Higher spike-specific memory B-cell frequencies determine survival from SARS-CoV-2 infection at 10 months. Day 14 full spike–specific memory B-cell responses above the median (36.80% total IgG-secreting B cells) were significantly associated with protection from infection in a survival analysis at 10 months after the third-dose vaccination. Survival analysis p-value calculated by log-rank (Mantel–Cox) test.
