The Binaxnow® Influenza A & B Test Kit Is An In Vitro Immunochromatographic Assay For The Qualitative Detection Of Influenza A And B Nucleoprotein Antigens In Np Swabs, Nasal Swabs, And Nasal Wash/Aspirate Specimens. It Is Intended To Aid In The Rapid Differential Diagnosis Of Influenza A And B Viral Infections.