<prompt> Duration of isolation for bacterial meningitis?Until culture is negative24 hrs of antibiotic treatment7 days of subside of fever3 days of neck rigidity  <response>: Ans. b 24 hrs of antibiotic treatment Ref. Park 22e 112 Patient of meningitis to be isolated until six hours of effective antibiotic therapy Disease Duration of isolation Chickenpox Until all lesion crusted usually about 6 days after rash Measles From the onset of catarrhal stage through third day of rash Hepatitis A 3 weeks Influenza Till 3 days of onset Polio 2 weeks adult; 6 weeks paediatrics Tuberculosis Until 3 weeks of effective chemotherapy Herpes zoster 6 days after onset of rash Mumps Until swelling subsides Peussis 4 weeks or until paroxysms ceases Pharyngitis 6 hours of effective antibiotic therapy 