Figure 4.Anti-SARS-CoV-2 humoral immune responses in different age subgroups. Serum IgG anti-RBD of the SARS-CoV-2 were determined at several times post Gam-COVID-Vac in individuals classified into the following age subgroups: 70-74, 75-79, 80-84 and 85-96 years old. Horizontal red lines represent the median.
