The Influenza A+B & COVID-19 Ag Combo Test is an in vitro immuno chromatographic assay for the qualitative and differential detection of nucleocapsid protein antigen from influenza A (including the subtype H1N1), influenza B and/or SARS-CoV-2 in nasopharyngeal (NP) swab specimen. It is intended to aid in the rapid diagnosis of influenza A, influenza B and/or SARS-CoV-2 infections.