One of your patients after returning from abroad has been diagnosed to have meningococcal meningitis. What immediate chemoprophylaxis will you advice for the patients close contacts?
Rifampicin 600 mg OD x 3 days Rifampicin 600 mg BD x 2 days Rifampicin 300 mg BD x 3 days Rifampicin 600 mg OD x 2 days