LIAISON Test for Respiratory Infections

Inclusion Criteria: * The specimen is a NPS or NS from a patient collected and preserved in 3 mL Universal Transport Media (UTM), BD Universal Viral Transport (UVT), or MicroTest M4RT transport media, or 1 mL Copan Eswab (Liquid Amies). * The specimen is from a patient who is either hospitalized, admitted to a hospital emergency department, visiting an outpatient clinic or resident of a long-term care facility. * The specimen is from a human patient with active signs and symptoms of respiratory tract infection at time of collection * Specimen stored at 2-8°C for up to 72 hours from collection. If there is a delay in testing, store specimen at ≤-70 °C. * The total volume of the leftover specimen received is ≥1.5 mL, except for specimens collected in Liquid Amies which requires a total leftover volume of ≥0.5 mL * The specimen was received in good condition (no leakage or drying of the specimen). Exclusion Criteria: * Incorrect swab type * Incorrect transport media * Incorrect specimen handling (e.g. specimens not stored at recommended temperature) * The specimen has undergone more than two freeze/thaw cycles * Specimens collected with calcium alginate or organic swabs