Fig. 1From: Seroprevalence and dynamics of anti-SARS-CoV-2 antibodies: a longitudinal study based on patients with underlying diseases in WuhanComparison of antibody titers of patients with and without underlying disease among 219 subjects with positive total antibodies at baseline and three consecutive serum samples. Longitudinal changes in IgA, IgM, IgG, and Nabs. Nabs: neutralizing antibodies. **P < 0.01; ***P < 0.001Back to article page