STANDARD Q COVID-19 Ag Home Test is a rapid chromatographic immunoassay for the qualitative detection of SARS‑CoV‑2 nucleocapsid antigen present in human nasal sample. The STANDARDTM Q COVID-19 Ag Test manufactured by SD Biosensor has received WHO emergency use authorization for COVID-19 diagnostics and is available for procurement at the Cleaneat.NG store. Get best pricing and quick same day delivery in Lagos and 24hours delivery in other states.