Fig. 5From: Multiplexed evaluation of immunity against SARS-CoV-2 variants using surface enhanced fluorescence from a nanostructured plasmonic chipIgG level and avidity over time for post-infection and vaccinated individuals. a Normalized IgG level against SARS-CoV-2 various variants at different time points in post-infection and vaccinated individuals; b Normalized IgG avidity against various SARS-CoV-2 variants at different time points in post-infection and vaccinated individuals. Columns showed mean level and avidity of IgG according to the days between symptom onset to sample collection or between the second dose of vaccine to sample collection. A colorful circle on each column represents a clinical sampleBack to article page