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  • Title: Comparative analysis of three multiplex platforms for the detection of respiratory viral pathogens.
    Author: Banerjee D, Hassan F, Avadhanula V, Piedra PA, Boom J, Sahni LC, Weinberg GA, Lindstrom S, Rha B, Harrison CJ, Selvarangan R.
    Journal: J Clin Virol; 2022 Nov; 156():105274. PubMed ID: 36099751.
    Abstract:
    BACKGROUND: Acute viral respiratory infections are a major health burden in children worldwide. In recent years, rapid and sensitive multiplex nucleic acid amplification tests (NAATs) have replaced conventional methods for routine virus detection in the clinical laboratory. OBJECTIVE/STUDY DESIGN: We compared BioFire® FilmArray® Respiratory Panel (FilmArray V1.7), Luminex NxTag® Respiratory Pathogen Panel (NxTag RPP) and Applied Biosystems TaqMan Array Card (TAC) for the detection of eight viruses in pediatric respiratory specimens. Results from the three platforms were analyzed with a single-plex real-time RT-PCR (rRT-PCR) assay for each virus. RESULTS: Of the 170/210 single-plex virus-positive samples, FilmArray detected a virus in 166 (97.6%), TAC in 163 (95.8%) and NxTag RPP in 160 (94.1%) samples. The Positive Percent Agreement (PPA) of FilmArray, NxTag RPP and TAC was highest for influenza B (100%, 100% and 95.2% respectively) and lowest for seasonal coronaviruses on both FilmArray (90.2%) and NxTag RPP (81.8%), and for parainfluenza viruses 1- 4 on TAC (84%). The Negative Percent Agreement (NPA) was lowest for rhinovirus/enterovirus (92.9%, 96.7% and 97.3%) on FilmArray, NxTag RPP and TAC respectively. NPA for all three platforms was highest (100%) for both parainfluenza viruses 1- 4 and influenza A and B, and 100% for human metapneumovirus with TAC as well. CONCLUSION: All three multiplex platforms displayed high overall agreement (>90%) and high NPA (>90%), while PPA was pathogen dependent and varied among platforms; high PPA (>90%) was observed for FilmArray for all eight viruses, TAC for six viruses and NxTag RPP for 4 viruses.
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