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WATER & DISEASES

WATER & DISEASES. Murray Biedler July 09, 2012 . Current Medical Reality. F-DIAGRAM: TRANSMISSION ROUTES. WATER-RELATED DISEASES. ENVIRONMENTAL CLASSIFICATIONS Faecal-Oral Water-Washed Water-Based Water-Related Vectors. Faecal-Oral Diseases.

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WATER & DISEASES

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  1. WATER & DISEASES Murray Biedler July 09, 2012

  2. Current Medical Reality

  3. F-DIAGRAM: TRANSMISSION ROUTES

  4. WATER-RELATED DISEASES ENVIRONMENTAL CLASSIFICATIONS • Faecal-Oral • Water-Washed • Water-Based • Water-Related Vectors

  5. Faecal-Oral Diseases • Pathogenstransmitted by humanexcreta and theningested • Infections of intestinal tract (diarrhoea) - illness & death • Personal & domestic hygiene important

  6. Transmision routesCholera SECONDARY FAECAL-ORAL TRANSMISSION PRIMARY WATER & FOOD BORNE TRANSMISSION Environmental vibrion reservoir

  7. Faecal-Oral Diseases

  8. Water-WashedDiseases • Quantity of water more important than quality of water • Linked to personal and domestic hygiene

  9. Skin and Eye Infections Skin sepsis Scabies Fungal Skin Infections Trachoma/Blindness Others Louse-borne Typhus Water-Washed Diseases

  10. Vectorbased in water Ingested Dracunculiasis or Guinea Worm Skin Penetrating Schistosomiasis or Bilharziasis Water-BasedDiseases

  11. Insect Vector Diseases • Spread by insects that : • breed in water • bite near water.

  12. Breed in Water malaria (anopheles) dengue (aedes) yellow fever (aedes) onchocerciasis or river blindness (simulium black fly) Bite Near Water trypanosomiasis or sleeping sickness (glosina tsetse fly) Insect Vector Diseases

  13. transmission Reservoir Host Reduce Reservoir Interrupt Transmission Treat Disease in person PreventDisease in population Control of DiseasesRelated to WHS

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