Author Contributions

JK is the major investigator of this study and PH contributed to the children analysis. SF contributed to the design of this study, supervised this work and wrote the manuscript. TV did the respiratory virus analysis in the nasal pharyngeal fluid of the children analysed in this study. AK and TZ are the paediatricians that saw most of the children in Predicta WP1-UKER and made the medical diagnosis. MR did the CRP analysis. NP designed the WP1 project Predicta and was the coordinator of Predicta.