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Investigation of antibody to severe fever with thrombocytopenia syndrome virus (SFTSV) in blood samples donated in a SFTS‐endemic area in Japan

The risk of transfusion‐transmitted infection (TTI) for severe fever with thrombocytopenia syndrome virus (SFTSV) is a concern because person‐to‐person transmission resulting from contact with SFTSV‐contaminated blood has been reported. To obtain information regarding the risk of TTI‐SFTSV, antibody testing was performed for blood samples donated in an severe fever with thrombocytopenia syndrome‐endemic area in Japan. No antibody‐positive samples were detected among 3990 samples. This finding suggested that there were few cases of SFTSV infection among donors and that the risk of TTI‐SFTSV was also estimated low in Japan.