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Flowchart of case inclusion in a study of risk for severe illness and death among pediatric patients with Down syndrome hospitalized for COVID-19, Brazil. We used publicly available data from COVID-19 cases registered in the Severe Acute Respiratory Syndrome Database of Sistema de Informacao de Vigilancia Epidemiologica da Gripe (SIVEP-Gripe; https://painel-sivep-gripe.herokuapp.com), a nationwide database managed by the government of Brazil.
