PROBLEM TO BE SOLVED : To provide antibodies and antigen-binding fragments thereof that neutralize infections of both RSV, MPV and PVM. SOLUTION : The invention provides an antibody and antigen-binding fragment thereof that neutralizes the infection of both RSV, MPV and PVM. The invention also provides a nucleic acid molecule encoding the antibody or antigen-binding fragment thereof, a vector comprising the nucleic acid molecule, a cell comprising the vector, an isolated or purified immunogenic polypeptide comprising an epitope that binds to the antibody or antigen-binding fragment thereof, and a pharmaceutical composition comprising these and a pharmaceutically acceptable diluent or carrier. SELECTED DRAWING : None COPYRIGHT : (C)2019, JPO&INPIT