T cells up-regulated pathways and clustering.

Trisomy 21 increases the risk of severe outcomes and mortality in hospitalized individuals with Down syndrome (DS) following SARS-CoV-2 infection. Using data from the Brazilian Epidemiological Surveillance Information System Influenza (SIVEP-Gripe), we analyzed 102,767 hospitalized COVID-19 patients (1,115 DS and 101,652 non-DS, NDS). DS patients had a higher prevalence of comorbidities and required ventilatory support, ICU admission, and intubation more frequently than NDS patients (p