Can the QIAamp MinElute Virus Kits be used to extract viral nucleic acid from cell culture supernatant?
FAQ ID -472

Yes, it should be possible to use the QIAamp MinElute Virus Kits for this purpose. Several customers have successfully isolated viral nucleic acid from cell culture supernatant by following the standard protocols of the QIAamp MinElute Virus Spin Handbook or the QIAamp MinElute Virus Vacuum Handbook.