A sterilization wrap 64 for wrapping an article to be sterilized, comprises a first panel 60 of sterilization material, and an additional panel 76 of material. The additional panel 76 is attached to the first panel 60. The first panel 60 is multi-layered and includes at least one pathogen filtration layer. The additional panel 76 does not include a pathogen filtration layer. The first panel 60 has an outer periphery and a central portion, with the outer periphery including first, second, third and fourth edges. The additional panel 76 has first, second, third and fourth corners, with the first corner of the additional panel 76 bonded to the first edge of the first panel 60, the second corner of the additional panel 76 bonded to the second edge of the first panel 60, and the third corner of the additional panel 76 bonded to the third edge of the first panel 60.