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Profile for the decay in log measles antibodies based all sera at 0, 3 and 6 months. Log (concentration + 1) was computed for measles antibody. The mean and 95% confidence intervals are shown. All infants tested measles-IgM negative and no cases of measles infection were identified. No. of sera: 717, 233, 75 at 0, 3 and 6 months of age.
