Fig. 1From: Performance of BioFire array or QuickVue influenza A + B test versus a validation qPCR assay for detection of influenza A during a volunteer A/California/2009/H1N1 challenge studyVenn diagram of BioFire performance versus qPCR. Number of samples positive by qPCR (blue), positive by BioFire (green), or positive by both qPCR and BioFire (yellow). Samples negative for both qPCR and BioFire (grey). Size of circles is proportional to nBack to article page