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To evaluate the antigenic relationship between bat mumps virus (BMV) and the JL5 vaccine strain of mumps virus (MuV(JL5)), we rescued a chimeric virus bearing the F and HN glycoproteins of BMV in the genomic background of MuV(JL5) Cross-reactivity and cross-neutralization between this chimeric rMuV(JL5)-F/HN(BMV) virus and rMuV(JL5) were demonstrated using hyperimmune mouse sera and a curated panel of human sera. All mouse and human sera that were able to neutralize rMuV(JL5) infection had cross-neutralizing activity against rMuV(JL5)-F/HN(BMV) Our data suggests that people who have neutralizing antibodies against MuV might be protected from infection by BMV.

Original publication




Journal article


J Infect Dis

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