Japanese Encephalitis — China
Abstract
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Japanese encephalitis virus (JEV) is a mosquito-borne virus endemic to China and Southeast Asia that causes severe encephalitis in less than 1 percent of infected persons. Transmission of JEV via blood transfusion has not been reported. We report transmission of JEV via blood donation products from an asymptomatic viremic donor to 2 immunocompromised recipients. One recipient on high-dose immunosuppressive drugs received JEV-positive packed red blood cells after a double
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