For in vitro qualitative detection of SARS-CoV-2 nucleocapsid antigen in NS/NP/OP swab specimens directly from individuals who meet COVID-19 clinical and I or epidemiological criteria. JOYSBIO COVID-19 Antigen Rapid Test Kit is for professional use only and is intended to be used as an aid in the diagnosis of SARS-CoV-2 infection. The product may be used in any laboratory and non-laboratory environment that meets the requirements specified in the Instructions for Use and local regulation. This test can be used for self-testing by layperson if local legislation allows.