The BinaxNOW Influenza A & B Test is an in vitro immunochromatographic assay for the qualitative detection of influenza A and B in Nasopharyngeal (NP) swab and nasal wash/aspirate specimens. It is intended to aid in the rapid differential diagnosis of influenza A and B viral infections. One-Step, 15 minute results. 21 month shelf life from date of manufacture. CLIA Waived.