Figure 2:
Flow diagram of the hierarchical algorithm used for the classification of RSV infection in infancy. The number (%) of eligible children enrolled in the study with RSV infection in infancy and 5-year current asthma are also shown. Definition of abbreviations: INSPIRE = Infant Susceptibility to Pulmonary Infections and Asthma Following RSV Exposure Study, RSV = Respiratory syncytial virus, RT-qPCR = Reverse transcription-quantitative polymerase chain reaction.