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Venn diagrams of RSV diagnostic testing yield for cases with (A) study PCR and 4-fold increases via any serology (κ = 0.55; 95% CI, .39–.71; n = 568); (B) study PCR and sputum PCR (κ = 0.89; 95% CI, .66–1.00; n = 153); and (C) study PCR and SOC NP PCR (κ = 0.87; 95% CI, .80–.94; n = 805). Abbreviations: CI, confidence interval; NP, nasopharyngeal; PCR, polymerase chain reaction; RSV, respiratory syncytial virus; SOC, standard-of-care.
