<prompt> Which of the following is not a pa of control measures for diphtheria ?Treatment of cases with erythromycinTreatment of carriers with antitoxinIsolation of casesRegular immunization of under-fives  <response>: Ans. is b i.e., Treatment of carriers with antitoxin Control of diphtheria o Control diphtheria requires :? i Control in cases and carrier ii Control for contacts prophylaxis for contact iii Prophylaxis for community -- by vaccination Control in cases and carrier I Early diagnosis By nose throat examination and culture. 2 Isolation --- For at least 14 days or until proved free of infection, i.e. at least 2 consecutive nose and throat swabs, taken 24 hours apa, should be negative before terminating isolation. 3 Treatment i Cases --- Diphtheria antitoxin plus penicillin or erythromycin. ii Carrier --- Erythromycin 