For controlling an outbreak of cholera, all of the following measures are recommended except -
<p> 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>
Mass chemoprophylaxis
Proper disposal of excreta
Chlorination of water
Early detection and management of cases
Communicable diseases