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Growth of JEV in fCD2∆CT-, DC-SIGN-, DC-SIGNR-, and LSECtin-expressing Daudi cells. A. Daudi cells were infected with C6/36-derived virus at a multiplicity of infection of 0.02, and culture supernatants were then titrated in Vero9013 cells. *, undetectable (the detection limit is 5 PFUs/ml). Data are mean ± standard deviation (n = 3). B. Intracellular viral antigens were examined by indirect fluorescence assay with 4G2 antibody. hpi, hours postinfection
