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Transcript 
SANITATION
A lot more than traces of faeces
engineering a better world
Table 1: Diseases acquired via oral route
Why is Sanitation important?
• Prevention and control of Diseases
Diseases acquired via faecal-oral route
Viral
Bacterial
Protozoa
Worms
 Polio
 Typhoid and paratyphoid
 Amoebiasis
 Ascariasis
 Botulism
 Hepatitis A, E
 Cholera
 Giardiasis
 Enterobiasis
 Viral diarrhoeas
such as
rotavirus and
adenovirus
 Bacillary dysentery
 Staphylococcal
food poisoning
 Trichuriasis
 Anthrax
 Taeniasis
 Bacteria diarrhoeas such as
Yersinia, Campylobacter, E.
coli
 Hydatidosis
Toxins
 Enterotoxigenic
coli diarrhoea
Table 1: Diseases acquired via oral route
Why is Sanitation important?
• Control spread of pollutants
 Prevent ALGAL BLOOMS!
 Allows access to a resource that would
otherwise be discarded!
ALGAL BLOOM HERE
10 Steps towards Complete
Sanitation
http://www.youtube.com/watch?v=sUFe3DBlXhA
Categories of Toilets
• There are two main types of toilets:
1. Wet toilets (require flushing)
2. Dry toilets (just need ash!)
Latrinology Tech
http://www.youtube.com/watch?v=XMUTVD4lQ8s
Ecosans - Uganda
http://www.youtube.com/watch?v=9_2n_WBvcdI
Duck Weed
• Nutrient Control
• Algae Control
• Food source for other organisms
Floating Islands
Global Giving Project:
Provide sanitary napkins for 200,000 Indian women
http://www.youtube.com/watch?v=Id887jeFcWc
Useful Links
• THE NEW WAVE- Scaling Up Sustainable
Sanitation in Rural India
 http://www.youtube.com/watch?v=GHEdmcB4WTI
• Sanitation impacts in Cambodia

http://www.susana.org/images/documents/07-cap-dev/amaterial-topic-wg/wg02/hutton-et-al-2008-sanitation-impactcambodia-wsp-esi-en.pdf
Useful Links
• Sustainable Water and Sewerage Management
(Earth Report)
 http://www.youtube.com/watch?v=8uj497Qqf8&feature=related
 http://www.youtube.com/watch?v=So7vWOV843s&NR=1
• WECF film on Safe Sanitation - Romania
 http://www.youtube.com/watch?v=WcjFryjDTd8&feature=rela
ted
Useful Links
• Sanitation in schools
 http://www.schools.watsan.net/page/274
 http://www.wrc.org.za/downloads/education/sanitation.pdf
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