Comparative Immune Response after Vaccination with SOBERANA 02 and SOBERANA plus Heterologous Scheme and Natural Infection in Young Children.

(1) Background: In children, SARS-CoV-2 infection is mostly accompanied by mild COVID-19 symptoms. However, multisystem inflammatory syndrome (MIS-C) and long-term sequelae are often severe complications. Therefore, the protection of the pediatric population against SARS-CoV-2 with effective vaccines is particularly important.