Fig. 1From: Differential immunogenicity of BNT162b2 or ChAdOx1 vaccines after extended-interval homologous dual vaccination in older peopleAntibody responses following second vaccination with either BNT162b2 or ChAdOx1. Data are shown as bar chart of total cohort (A) and dot plot excluding those with natural infection (B). Donors with previous natural infection are shown in red on the bar chartBack to article page