Fig. 1: Plasma levels of total Ig anti-spike glycoprotein antibodies.
From: Robust immune response to COVID-19 vaccination in the island population of Greenland
Plasma total immunoglobulin (Ig) levels specific to the anti-spike glycoprotein (measured in kilobinding antibody units per litre, kBAU/L) at Time 1 (approximately 2 months after second vaccine dose) and Time 2 (approximately 11 months after second vaccine dose). Plasma levels by age groups (a) and Inuit ethnicity (b). The boxplots present the lower quartile, median, and upper quartile, and the error bars indicate 95% CI. P < 0.05 were considered significant. Dotted line indicates a cut-off level of 300 kBAU/L (protective level).
