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UV inactivation prevents induction of CHIKV nAbs. Mice were immunized with noncomplemented (NC) or G-complemented (GC) VSVΔG-CHIKV without or with UV inactivation (NC-UV and GC-UV, respectively), and pooled sera from day 30 postimmunization were analyzed for induction of VSVΔG-eGFP/CHIKV pseudotype nAbs. The representative curve shows percent neutralization at the indicated serum dilutions. All assays were performed in duplicate.
