Serological response to COVID-19 vaccination in patients with cancer older than 80 years

Central studies carried out on vaccines against the severe acute respiratory syndrome coronavirus 2 (SARS-COV2) excluded patients receiving immunosuppressive therapy and those diagnosed with an immunosuppressive condition. Moreover, there are no data on vaccine efficacy regarding older patients with cancer.ObjectivesThe primary objective was to evaluate the seroprevalence of the SARS-CoV2 IgG in older patients (aged ≥80 years) diagnosed with...