The present disclosure relates to a process for the manufacture of adenoviruses and a virus that can be obtained through the method, wherein the process comprises culturing mammalian cells infected with the adenovirus in the presence of media suitable for supporting the cells such that the virus replicates, wherein the cells are capable of supporting viral replication, and at the end of the culturing period isolating from the media the adenovirus by filtering wherein the isolation of virus is not subsequent to a cell lysis step and to viruses obtainable from the process.
