Use

Used to screen blood and HCT/P (human cells, tissues, and cellular and tissue‑based products) donors for West Nile virus RNA via nucleic acid amplification testing (NAT), as required by FDA regulations for donor screening of relevant communicable disease agents to prevent transmission via transfusion or transplantation ([questdiagnostics.com](https://www.questdiagnostics.com/healthcare-professionals/clinical-education-center/faq/faq220?utm_source=openai)).

Not provided.