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Dynamics of IgG antibody levels after COVID-19 vaccination in relation to doses and prior COVID-19 infection. The data have been divided into two groups: individuals who did not experience COVID-19 prior to vaccination (A) and those who had previously contracted COVID-19 (B). The analysis also takes into account the impact of the number of vaccine doses administered and divides time into quarters, enabling a comprehensive understanding of the dynamics of antibody level changes over time
