<prompt> For controlling an outbreak of cholera, all of the following measures are recommended except -Mass chemoprophylaxisProper disposal of excretaChlorination of waterEarly detection and management of cases  <response>: Mass chemoprophylaxis. Drugs used are tetracycline or furazolidone. Park;s textbook of preventive and social medicine,K.Park,23rd edition,page no:232-233. p 