Best emergency sanitary measure to control cholera is -
Disinfection of stool
Mass vaccination
Provison of chlorinated water
Chemoprophylaxis
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
Communicable diseases