olivia presentation final
TRANSCRIPT
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AIA/ACSA 2015Intersections Between the Academy and Practice
Wednesday, May 13 2015
Preventing Malaria through Housing Design
in Urban AfricaOlivia Johns-Yost & Peter Williams
ARCHIVE Global
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INTRODUCTION TO ARCHIVE
THE URBAN HEALTH CHALLENGE
HOUSING DESIGN & MALARIA
EVIDENCE FROM THE FIELD
BUILDING MALARIA PREVENTION IN CAMEROON
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INTRODUCTION TO ARCHIVE
ARCHIVE’S MISSION
Operating in the spaces of development, health, and architecture, we prioritize housing design as a key strategy in combating disease around the world.
ARCHIVE’S MISSION
Operating in the spaces of development, health, and architecture, we prioritize housing design as a key strategy in combating disease around the world.
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Source: UN Dept. of Economic and Social Afrairs, Population Division, 2009
Comparison of Average Urban Population Growth in More Developed vs. Less Developed
(UN, Department of Economic and Social Affairs, Population Division. 2009)
Need 4,000 affordable housing units every hour (UN-HABITAT: 2007)
Urban Population Growth:
URBAN HEALTH CHALLENGE
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Outdoor Air
Indoor Air
Water
Sanitation
Waste Mgmt
Floodplains
Industrial Activity
Green Space
Shared Streets
Access to Food
Air
Q
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AzA
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use
Ac
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ies
Rodent-borneInfections
Mosquito-borne DiseaseDiarrheaRespiratory
InfectionsCardiovascular
ConditionsDiabetesAsthma,COPD
Intestinal Worms Cancers
infectious diseAses cHronic diseAses
URBAN HEALTH CHALLENGE
Disease and the urban environmentSource: ARCHIVE 2015
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URBAN HEALTH CHALLENGE
Source: ARCHIVE 2013
Disease and the home environment
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Source: WHO 2014
MALARIA & HOUSING DESIGN
population at risk of malaria
198 million infections 600,000 deaths in 2013
44% of global malaria deaths are in Africa
of these are among children under 5
90%
83%
The socio-economic burden of malaria is felt at all levels
of society: from the family,
to the local business, to the national economy
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MALARIA & HOUSING DESIGN
78% of countries where malaria is a problem have reportedresistance to commonly used insecticides
Source: WHO 2014
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no intervention conventional approach
ARCHIVE’s approach
MALARIA & HOUSING DESIGN
Source: ARCHIVE 2015
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Source: Kirby 2008
Malaria housing:rural Italy, 1900
EVIDENCE FROM THE FIELD
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open eaves
unscreened windows & doors
mud walls orthatched roofs
Source: ARCHIVE 2013
standing water
EVIDENCE FROM THE FIELD
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76-82%reduction in mosquito entry when ceilings were installed
the odds of malaria infection for children living with mud roofsvs. iron roofs 2X
Sources: Atieli 2009 ; Ye 2006
EVIDENCE FROM THE FIELD
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94%of trial participants chose
to keep their screens because they:
· improved privacy
· beautified their home
· prevented nuisance mosquito bites
Source: Kirby 2009
EVIDENCE FROM THE FIELD
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BLDG MALARIA PREVENTION
Sources: WHO 2010, ARCHIVE 2013
CAMEROON 14% of children sleep under nets every night
TOP 3causes of sickness & death
malaria ranks as one of the prevalence of poor housing
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BLDG MALARIA PREVENTION
Source: ARCHIVE 2013
30%residents infected with malaria:
60% of residents did not sleep under a net the previous night
HALFwere children under 10
Yaoundé, Cameroon
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BLDG MALARIA PREVENTION
Source: ARCHIVE 2013
76% had standing water around the perimeter
Yaoundé, Cameroon
63% of houses had unscreened windows
65% had openings around the roof
A baseline survey of the housing stock in July 2013 found:
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BLDG MALARIA PREVENTION
Source: ARCHIVE 2013
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BLDG MALARIA PREVENTION
Source: ARCHIVE 2013
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BLDG MALARIA PREVENTION
Source: ARCHIVE 2013
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Impactand
Opportunities
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thank you.