has role protective antigen role protective antigen Mumps virus protein HN Protegen ID: 582; NCBI Gene GI: 1489765; NCBI Protein GI: 9695422; NCBI Protein Accession: NP_054713; NCBITaxon: 11161 A novel mumps vaccine with good immunity and safety was developed by selecting an antigen (HN) component of the mumps virus. The clinical and pathological observations after challenge of vaccinated rhesus monkeys indicated further that the immune response induced by this vaccine provided complete protection from wild-type virus infection [PubMed: 18597904]. protein Allen Xiang Oliver He