Between February 2013 and June 2019, approximately 39% of patients with confirmed Asian lineage A(H7N9) virus infection have died. Those who had progressive disease generally died from complications of acute respiratory distress syndrome (ARDS) and multi-organ failure. Early recognition of disease and early initiation of oseltamivir treatment may be associated with improved outcomes.

Management should follow evidence-based clinical care guidelines for ARDS, septic shock, and other critical care illness. No studies have assessed the long-term sequelae of Asian lineage A(H7N9) virus infection among survivors.

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