The COVID-19&Influenza A/B Antigen Nasal Test Kit is an in vitro immunoassay. The assay is for the direct and qualitative detection of viral nucleocapsid proteins of SARS-CoV-2, Influenza A virus, and Influenza B virus from nasal secretions. The test is for self-testing use. Children aged between 2 and 18 years old, must be supervised or aided by an adult when carrying out the test.