PRO/AH/EDR> Powassan virus encephalitis – USA: (WI) transfusion

Powassan virus — United States
Powassan virus infection likely acquired through blood transfusion presenting as encephalitis in a kidney transplant recipient.
Abstract
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A kidney transplant patient without known tick exposure developed encephalitis 3 weeks after transplantation. During the transplant hospitalization, the patient had received a blood transfusion from an asymptomatic donor later discovered to have been infected with Powassan virus. This report describes a probable instance of