<prompt> In a case of meningitis, Neisseria meningitides was grown in culture after 48 hours. Which measure is to be taken immediately?Isolation of contactsAntibiotic treatment of contactsVaccination of contactAll of the above  <response>: Meningococcal Meningitis prevention and control: Treatment of case Antibiotics staed 48 hours of illness save 95 lives Drug of choice: Penicillin Ceftriaxone if allergic to penicillin Epidemics: Single dose Long-acting Chloramphenicol or Ceftriaxone. Treatment of Carriers: Rifampicin Treatment of contacts: Sta treatment 24 hours of identification of index case Drugs used: Rifampicin, Ciprofloxacin, Ceftriaxone, Azithromycin Ref: Park 25th edition Pgno: 179 