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The mRNA COVID‐19 vaccine and COVID‐19 infection caused by the SARS‐CoV‐2 virus may be immunologic triggers for the development of thrombotic thrombocytopenic purpura (TTP). There is not yet literature that discusses TTP induced by COVID‐19 vaccination or infection in pediatric or adolescent patients. We describe three adolescents presenting with TTP (both de novo and relapsed disease) following administration...
Background
Autoimmune neutropenia (AIN) is a common cause of chronic neutropenia in childhood. Despite an expected benign clinical course, many patients undergo extensive evaluation. Data on healthcare utilization and rates of bloodstream infections in young patients with AIN are limited.
Methods
All patients with a diagnosis code of leukopenia, neutropenia, or AIN followed within the outpatient...
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