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Distribution of loge RSV IgG post-F antibodies (A) at birth (n = 700 cord blood samples), (B) age 1 (n = 490 children) and (C) 2 years old (n = 490 children), England, 2008–2013
IgG post-F: immunoglobulin G antibody against RSV postfusion protein F; loge: natural logarithm (base e); RSV: respiratory syncytial virus.
IgG post-F concentrations were quantified in arbitrary units/mL.
