Waterborne infection Cholera 1 Communicable diseases-Transmission 1 Developing countries 1 Diarrhoeal diseases 1 Disease Outbreaks 1 Disease outbreaks 1 Drinking water 1 Food poisoning 1 Foodborne diseases 1 Medical policy 1 Protozoan diarrhoeas 1 Public health 1 Typhoid fever 1 Water Microbiology 1 Water Pollution 1 Water pollution 1 Water supply 1 Water-purification 1 Waterborne viral hepatatis 1 water microbiology 1