2 Current Medical Reality DiseaseMorbidity (episodes/year)Mortality (deaths/year)Diarrhoeal diseases1,000,000,0003,300,000Intestinal worms1,500,000,000100,000Shistosomiasis200,000,000200,000Malaria400,000,0001,500,000Total burden/year3,100,000,0005,000,000
10 Water-Based Diseases Vector based in water Ingested Dracunculiasis or Guinea WormSkin PenetratingSchistosomiasis or Bilharziasis
11 Insect Vector Diseases Spread by insects that :breed in waterbite near water.
12 Insect Vector Diseases Breed in Watermalaria (anopheles)dengue (aedes)yellow fever (aedes)onchocerciasis or river blindness (simulium black fly)Bite Near Watertrypanosomiasis or sleeping sickness (glosina tsetse fly)
13 TRANSMISSION MECHANISMS PREVENTIVE STRATEGIESWater Borne (Cholera)Improve quality of drinking waterPrevent casual use of unimproved sourcesWater Washed(Cholera, Scabies)Increase water quantity usedImprove accessibility and reliability of domestic water supplyImprove hygiene practicesWater Based(Guinea Worm)Decrease need for contact with infected waterControl snail population (water treatment)Reduce contamination of surface waters by excretaWater Related(Malaria)Improve surface water managementDestroy breeding sites of insectsDecrease need to visit breeding sitesUse (impregnated) mosquito nettingDo Indoor Residual Spraying
14 Reservoir Host transmission Control of Diseases Related to WHS Treat Diseasein personReduceReservoirInterruptTransmissionPrevent Diseasein population