Baby Sickness Evaluation

The goal of this prospective single center feasibility study is to assess the feasibility of using BabyCheck and PO by GPs as an illness severity score for young infants \> 6 months of age in order to aid the decision for referral to hospital. The emergency GP posts in Leiderdorp will add the BabyCheck and PO to their standard evaluation of infants presenting with systemic illness \< six months of age for a period of six months. The feasibility will be determined by calculating the percentage of eligible infants in whom a complete BabyCheck score and PO data were retrieved. The investigators consider the protocol feasible if this is done in 80% of all eligible infants.