A 21-year-old university student living in residence presents with fever, headache, neck stiffness and photophobia. You suspect meningococcal meningitis. What is the most appropriate immediate management step?AOrder CT head before any treatmentBObtain blood cultures and lumbar puncture, then start antibioticsCStart empiric intravenous antibiotics immediately after blood cultures, and perform lumbar puncture when safeDWait for CSF PCR results before treatingEStart oral antibiotics in the emergency department and dischargeCheck my answer