A 3-week-old term infant presents with poor feeding, lethargy and temperature of 35.5 °C. Capillary refill is 4 seconds and the infant is mottled. What is the most appropriate immediate management in the emergency department?AReassure and arrange review by the GP the next dayBGive oral Paracetamol and observeCEstablish IV access, give fluid bolus and broad-spectrum IV antibioticsDOrder a viral PCR panel and await results before treatingEGive intramuscular vitamin K and dischargeCheck my answer