Fig. 3: Heatmap of IgG, IgA, and IgM titers against SARS-CoV-2 antigens in asymptomatic and symptomatic COVID-19-positive participants.

Heatmap generated via an agglomerative hierarchical approach showing differences in IgG, IgA, and IgM titers against spike 1 glycoprotein (S1 SP), spike 2 glycoprotein (S2 SP), receptor-binding ___domain (RBD), and nucleoprotein (NP) in COVID-19-positive asymptomatic participants (n = 7), participants who experienced mild-moderate symptoms (n = 10), and participants who experienced moderate-severe symptoms (n = 10). Each row represents titers in an individual participant. The color key indicates titer, with darker shades indicating elevated titers and lighter shades indicating lower titers.