The Toda Coronadiag Ag test is a rapid test for nasal and nasopharyngeal detection of SARS-CoV-2 coronavirus antigens. It provides rapid and efficient detection of 2019-nCoV virus (Coronavirus; SARS-CoV2) infection in just 15 minutes to facilitate virus screening. The Toda Coronadiag AG test is a test for the direct diagnosis of Covid-19 (SARS-CoV-2) by healthcare professionals in the context of the viral pandemic.