A 12-year-old boy presents with fever, non-blanching petechial rash, neck stiffness, and photophobia. According to Canadian meningitis guidelines, what is the most appropriate immediate management before transfer to tertiary care?AWait for CT and lumbar puncture before any treatmentBAdminister immediate IV broad-spectrum antibiotics and dexamethasone, then arrange urgent transferCObserve as symptoms likely viralDStart oral antibiotics onlyEGive dexamethasone aloneCheck my answer