Diagnostic agents, preparations and substances for medical purposes; Diagnostic biomarker reagents for medical purposes; Diagnostic kits comprised of medical diagnostic reagents and assays for testing of bodily fluids for use in disease detection, namely, Coronavirus, Influenza A and B, Sexually Transmitted Diseases, HIV, Hepatitis, TB and other detectible antibodies.; Diagnostic preparations for medical and veterinary use; Diagnostic preparations for medical or veterinary purposes; Diagnosti...