GENEDIA W COVID-19 Ag (Nasal swab) GCMS manufactures COVID-19 antigen test kit, the GENEDIA W COVID-19 Ag which is listed on the EU common list, also with GMP and ISO certifications. GENEDIA W COVID-19 Ag is unaffected based on the in-silicon analysis of the mutations in the nucleocapsid (N gene) of Omicron viruses. Letter of statement is available upon your request. To get over COVID-19 pandemic, especially the recent Omicron breakout, currently we are doing big promotions for three kinds of COVID-19 Ag kit. All are in stock and available right away. 1. Nasopharyngeal 2. Nasal 3. Saliva