A 55-year-old woman receiving chemotherapy for breast cancer presents with fever 38.5°C and rigors. Her neutrophil count is 0.3 ×10^9/L. She looks unwell but has stable blood pressure. What is the most appropriate immediate management?ADischarge with oral antibioticsBStart broad-spectrum IV antibiotics immediately and admit urgentlyCWait for blood culture results before giving antibioticsDGive prophylactic G-CSF aloneETreat with paracetamol only and observeCheck my answer