A 4-year-old girl is treated for suspected meningococcal sepsis and admitted to hospital. Her parents ask whether they or her younger sibling need any treatment. What is the most appropriate advice?AHousehold and close contacts should receive antibiotic prophylaxis as advised by public healthBNo prophylaxis is required for anyoneCAll family members need immediate meningococcal vaccination onlyDOnly healthcare staff require prophylaxisESchool-wide mass antibiotic prophylaxis is indicated for all pupilsCheck my answer