Figure 2.

Distribution of respiratory virus viral loads, by single and multiple detection. Log viral load is shown separately for viruses detected in a single virus illness and those detected in a multiple virus illness. The number of positive detections for which quantitation was available for each virus is listed above each box. RSV, respiratory syncytial virus; Flu A, influenza A; AdV, adenovirus; hMPV, human metapneumovirus; CoV, coronavirus; PIV1, parainfluenza type 1; PIV3, parainfluenza type 3. aCoV quantitation available for subtypes 229E (n = 7) and OC43 (n = 15) only.