This CE marking notification authorizes four of Microbix’s REDx SARS-CoV-2 nucleic acid controls — liquid positive and negative controls, and swab positive and negative controls — for distribution across Belgium and other EU/EEA Member States. Issued through Obelis S.A. under EU Directive 98/79/EC, these products support molecular diagnostic laboratories monitoring SARS-CoV-2 nucleic acid testing performance throughout Europe.