Best emergency sanitary measure to control cholera is -
In cholera, as an emergency measure, in urban areas, properly treated drinking water containing free residual chlorine should be made available to all families; this water should be stored in the household in narrow-mouthed, covered containers. Ref: PARK&;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition , Page 233
Disinfection of stool
Mass vaccination
Provison of chlorinated water
Chemoprophylaxis
Communicable diseases