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Prospective monitoring of immune response following COVID-19 vaccination in children with cancer

PRIMARY OBJECTIVE: -To assess the antibody response after mRNA (Pfizer, Moderna) SARS-CoV-2 vaccination in children with cancerSECONDARY OBJECTIVES:To assess in children with cancer after SARS-CoV 2 vaccination:- durability of the antibody response…

Prospective monitoring of antibody response following COVID-19 vaccination in patients with Down syndrome

To assess the antibody response after SARS-CoV-2 vaccination in people >=16 years and children with Down Syndrome. Part 2To assess the antibody response after a third SARS-CoV-2 vaccination in adults and children with Down Syndrome and to…