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. 2021 Oct 13;9(12):1396–1406. doi: 10.1016/S2213-2600(21)00402-1

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Neutralising antibody titres against live wild-type SARS-CoV-2 on day 1 and day 57

The height of the bars represent the GMTs, and the error bars represent the corresponding 95% CIs. GMT values greater than the lower limit of detection (ie, >8), indicated by the horizontal dotted line, are included above the bars. The GMT of the triplicate measurement of each NIBSC standard is indicated above, below, or immediately to the right of the filled black circles, and the name of the standard is provided on the right of each black circle. GMT=geometric mean titre. IU=international units. NIBSC=National Institute for Biological Standards and Control.