5 rapid results saliva-, gingival fluid-, nasal fluid- (anterior nasal or nasopharyngeal), urine-, faeces-, blood-, interstitial fluid-, or perspiration-based test strips for detecting virus, pathogens, biomarkers, Covid-19 and other coronavirus; blood glucose test strips; diagnostic biomarkers for in vitro testing for medical use; diagnostic preparations for in vitro testing for medical use; diagnostic strips for testing breast milk for medical purposes; diagnostic test kits comprising diagnostic agents, preparations and substances for detecting COVID-19 and other coronavirus diseases; diagnostic test patches for application to the skin for determining allergies; diagnostic test reagents for medical purposes; drug testing kits comprising primarily medical diagnostic reagents and assays for testing body fluids; in vitro gender prediction test kit; in vitro ovulation prediction test kit for home use; male fertility test kits; medical diagnostic reagents and assays for testing of body fluids; ovulation test kits; pH test strips, namely, test strips for use in measuring the pH level in human bodies for purposes of determining levels of alkalinity in the body; pharmaceutical preparations for maintaining normal blood pressure and heart function; pregnancy test kits; pregnancy testing preparations; reagents for use in diagnostic tests for medical purposes; test strips for measuring blood glucose levels