BASIC OF HIV/AIDS Substance Dependence HIV/AIDS HRD. KUNPHEN.
Estimating the impact of HIV and AIDS on the supply of ...
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Estimating the impact of HIV
and AIDS on the supply of
basic education
Claire Risley, PCD
Donald Bundy, World Bank
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
![Page 4: Estimating the impact of HIV and AIDS on the supply of ...](https://reader033.fdocuments.us/reader033/viewer/2022042421/62617591d49df70f0706c4b9/html5/thumbnails/4.jpg)
Impacts of HIV and AIDS on
education supply
HIV/
AIDS
Supply of
education
QUANTITY
QUALITY
Fewer trained teachers
due to AIDS mortality
Increased absenteeism
Psychological stress
Management capacity
Trained teachers lost to
other sectors
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Teachers with HIV and AIDS
Teachers have different characteristics to the
general population which means they have
a different susceptibility to HIV infection
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Age distribution of HIV infection
Male Female
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Age distribution of population
(same country)
0%
5%
10%
15%
20%
25%
15
-19
20
-24
25
-29
30
-34
35
-39
40
-44
45
-49
50
-54
55
-59
15
-19
20
-24
25
-29
30
-34
35
-39
40
-44
45
-49
50
-54
55
-59
Male Female
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Age distribution of teachers
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Gender distribution of teachers
Region Percent female
teachers
Sub-Saharan Africa 46%
Caribbean 80%
South-East Asia 69%
Countries are countries involved in this study, data from UIS
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Socio-economic
characteristics of teachers
Wealth and Mobility
Both might increase teacher’s risk of
acquiring HIV
We don’t know by how much
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Socio-economic
characteristics of teachers
Region Ratio of teacher
salary to GDP pc
Sub-Saharan Africa 5.1
Latin America and the
Caribbean
2.6
East Asia/Pacific 2.9
Source: Schooling Quality in a Cross Section of Countries Lee and Barro 2000
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Socio-economic
characteristics of teachers
Education
Education per se is protective against HIV
acquisition
Teachers in many countries are trained to
teach others how to avoid infection directly
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Teacher Relative Risk
25
–2
9
30
–3
4
35
–3
9
40
–4
4
45
–4
9
50
–5
4
55
+
25
–2
9
30
–3
4
35
–3
9
40
–4
4
45
–4
9
50
–5
4
55
+
HSRC: Teacher
Prevalence0
5
10
15
20
25
30
35
HSRC: Teacher Prevalence UNAIDS: Population Prevalence
F M
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Purpose of study
To examine the systemic impact of HIV on
the supply of education in countries with
generalised epidemics in three continents
What are the quantitative effects on teachers
What are the cost implications of HIV on the
achievement of Education For All
In the era of Anti-Retroviral therapy, what
impact would the immediate provision of
universal therapy have?
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Main findings
In Sub-Saharan Africa, it is cost effective to
implement universal testing and treatment of
teachers
In the Caribbean, the savings to the
education sector generated by universal
treatment would pay for all necessary drugs
The additional teacher recruitment required
to achieve EFA in SSA can be reduced to
very low levels through universal access to
VCT & ART
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
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Approach
Models used:
UNAIDS models of HIV in the population
Ed-SIDA model of the impact of HIV on
education
Runs were performed for 53 countries with
generalised epidemics across three
continents
Results were aggregated by continent
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The Ed-SIDA Model of the impact
of HIV and AIDS on education
systems
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Teachers
Calculations by model
Children
HIV projections
-Teacher numbers-recruitment required-Absenteeism
Pupil-teacher ratio
Financial
Costs
Report
Graphs
EMIS info
INPUT DATA PROJECTIONSPROCESS OUTPUTS
Ed-SIDA modelling process
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Teachers
Calculations by model
Children
HIV projections
-Teacher numbers-recruitment required-Absenteeism
Pupil-teacher ratio
Financial
Costs
Report
Graphs
EMIS info
INPUT DATA PROJECTIONSPROCESS OUTPUTS
Ed-SIDA modelling process
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Inputs to the model
Demographic information on teachers
Teacher relative risk of infection
UNAIDS model outputs
Costs:
Salary of replacement teacher
Cost of training a new teacher
Death benefit payable to families
ART per year and VCT per visit
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Teachers
Calculations by model
Children
HIV projections
-Teacher numbers-recruitment required-Absenteeism
Pupil-teacher ratio
Financial
Costs
Report
Graphs
EMIS info
INPUT DATA PROJECTIONSPROCESS OUTPUTS
Ed-SIDA modelling process
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Model diagram
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Teachers
Calculations by model
Children
HIV projections
-Teacher numbers-recruitment required-Absenteeism
Pupil-teacher ratio
Financial
Costs
Report
Graphs
EMIS info
INPUT DATA PROJECTIONSPROCESS OUTPUTS
Ed-SIDA modelling process
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Teachers
Calculations by model
Children
HIV projections
-Teacher numbers-recruitment required-Absenteeism
Pupil-teacher ratio
Financial
Costs
Report
Graphs
EMIS info
INPUT DATA PROJECTIONSPROCESS OUTPUTS
Ed-SIDA modelling process
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Ed-SIDA
A Planning Tool. It outputs the teacher recruitment rate required to achieve:100% enrolment
Low PTR (<40)
Scenario analysis, allowing the user to
explore:
High/low impact scenarios
Treatment provision scenarios
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Multi-country analyses
Model was run for
40 sub-Saharan African countries
8 Caribbean countries
5 South-East Asian countries
Where data were unavailable
Data were sourced from the nearest country
Costs were scaled on per capita GDP
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
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Sub-Saharan African countries
ART at current levels
Teacher AIDS deaths
0
5000
10000
15000
20000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teacher absenteeism due to AIDS
0
5000
10000
15000
20000
25000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
HIV prevalence in teachers
0.0%
2.0%
4.0%
6.0%
8.0%
10.0%
12.0%
1980 1990 2000 2010
Year
% o
f te
ach
ers
Medium High Low
Teacher AIDS mortality rate
0.00%
0.20%
0.40%
0.60%
0.80%
1980 1990 2000 2010
Year%
of
teac
he
rsMedium High Low
HIV Positive teachers
0
50000
100000
150000
200000
250000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teachers
0
1000000
2000000
3000000
4000000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Teacher AIDS deaths
0
5000
10000
15000
20000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teacher absenteeism due to AIDS
0
5000
10000
15000
20000
25000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
HIV prevalence in teachers
0.0%
2.0%
4.0%
6.0%
8.0%
10.0%
12.0%
1980 1990 2000 2010
Year
% o
f te
ach
ers
Medium High Low
Teacher AIDS mortality rate
0.00%
0.20%
0.40%
0.60%
0.80%
1980 1990 2000 2010
Year%
of
teac
he
rsMedium High Low
HIV Positive teachers
0
50000
100000
150000
200000
250000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teachers
0
1000000
2000000
3000000
4000000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
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Sub-Saharan African countries
ART accessed by all teachers requiring it
Teacher AIDS deaths
0
5000
10000
15000
20000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teacher absenteeism due to AIDS
0
5000
10000
15000
20000
25000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
HIV prevalence in teachers
0.0%
2.0%
4.0%
6.0%
8.0%
10.0%
12.0%
1980 1990 2000 2010
Year
% o
f te
ach
ers
Medium High Low
Teacher AIDS mortality rate
0.00%
0.20%
0.40%
0.60%
0.80%
1980 1990 2000 2010
Year%
of
teac
he
rsMedium High Low
HIV Positive teachers
0
50000
100000
150000
200000
250000
300000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teachers
0
1000000
2000000
3000000
4000000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Teacher AIDS deaths
0
5000
10000
15000
20000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teacher absenteeism due to AIDS
0
5000
10000
15000
20000
25000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
HIV prevalence in teachers
0.0%
2.0%
4.0%
6.0%
8.0%
10.0%
12.0%
1980 1990 2000 2010
Year
% o
f te
ach
ers
Medium High Low
Teacher AIDS mortality rate
0.00%
0.20%
0.40%
0.60%
0.80%
1980 1990 2000 2010
Year%
of
teac
he
rsMedium High Low
HIV Positive teachers
0
50000
100000
150000
200000
250000
300000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
Medium High Low
Teachers
0
1000000
2000000
3000000
4000000
1980 1990 2000 2010
Year
Nu
mb
er
of
teac
he
rs
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Mortality rate of teachers in 2006
Democratic
republic of Congo
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Caribbean countries,
ART at current levels0
50
100
150
200
250
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
50
100
150
200
250
300
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.10%
0.20%
0.30%
0.40%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
500
1000
1500
2000
2500
3000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
20000
40000
60000
80000
100000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
0
50
100
150
200
250
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
50
100
150
200
250
300
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.10%
0.20%
0.30%
0.40%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
500
1000
1500
2000
2500
3000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
20000
40000
60000
80000
100000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
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Caribbean countries
ART accessed by all teachers requiring it0
50
100
150
200
250
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
50
100
150
200
250
300
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.10%
0.20%
0.30%
0.40%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
500
1000
1500
2000
2500
3000
3500
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
20000
40000
60000
80000
100000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
0
50
100
150
200
250
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
50
100
150
200
250
300
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
1.0%
2.0%
3.0%
4.0%
5.0%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.10%
0.20%
0.30%
0.40%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
500
1000
1500
2000
2500
3000
3500
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
20000
40000
60000
80000
100000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
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Mortality rate of teachers in 2006
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South-East Asian countries,
ART remains at current levels 0
200
400
600
800
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
200
400
600
800
1000
1200
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
1.2%
1.4%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.02%
0.04%
0.06%
0.08%
0.10%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
2000
4000
6000
8000
10000
12000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
200000
400000
600000
800000
1000000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
0
200
400
600
800
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
200
400
600
800
1000
1200
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
1.2%
1.4%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.02%
0.04%
0.06%
0.08%
0.10%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
2000
4000
6000
8000
10000
12000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
200000
400000
600000
800000
1000000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
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South-East Asian countries
ART accesed by all teachers requiring it0
200
400
600
800
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
200
400
600
800
1000
1200
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
0.5%
1.0%
1.5%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.02%
0.04%
0.06%
0.08%
0.10%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
2000
4000
6000
8000
10000
12000
14000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
200000
400000
600000
800000
1000000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
0
200
400
600
800
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher AIDS deaths
Medium High Low
0
200
400
600
800
1000
1200
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teacher absenteeism due to AIDS
Medium High Low
0.0%
0.5%
1.0%
1.5%
1980 1990 2000 2010
% o
f te
ach
ers
Year
HIV prevalence in teachers
Medium High Low
0.00%
0.02%
0.04%
0.06%
0.08%
0.10%
1980 1990 2000 2010
% o
f te
ach
ers
Year
Teacher AIDS mortality rate
Medium High Low
0
2000
4000
6000
8000
10000
12000
14000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
HIV Positive teachers
Medium High Low
0
200000
400000
600000
800000
1000000
1980 1990 2000 2010
Nu
mb
er
of
teac
he
rs
Year
Teachers
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Mortality rate of teachers in 2006
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
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Sub-Saharan African countries, costs of the impact of
HIV on education to health and education sectors
0
2000000
4000000
6000000
8000000
10000000
2006 2015 (ART at current levels)
2015 (all teachers needing ART taking it)
Absenteeism
Death benefits
Training of teachers to replace those dying from AIDS
0
2000000
4000000
6000000
8000000
10000000
2006 2015 (ART at current levels)
2015 (all teachers needing ART taking it)
ARVs
VCT
Education
Health
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Caribbean countries, costs of the impact of HIV on
education to health and education sectors
Education
Health
0
500000
1000000
1500000
2000000
2500000
3000000
2006 2015 (ART at current levels)
2015 (all teachers needing ART taking it)
Absenteeism
Death benefits
Training of teachers to replace those dying from AIDS
0
500000
1000000
1500000
2000000
2500000
3000000
2006 2015 (ART at current levels)
2015 (all teachers needing ART taking it)
ARVs
VCT
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South-East Asian countries, costs of the impact of HIV
on education to health and education sectors
Education
Health
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
2006 2015 (ART at current levels)
2015 (all teachers needing ART taking it)
Absenteeism
Death benefits
Training of teachers to replace those dying from AIDS
0
1000000
2000000
3000000
4000000
5000000
6000000
7000000
2006 2015 (ART at current levels)
2015 (all teachers needing ART taking it)
ARVs
VCT
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
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Teacher deaths in Ghana
95-99
0
50
100
150
200
250
300
1994 1996 1998 2000
Low Projections High projections
Medium Projections Death data
Source: Ministry of Education Workplan 2003
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Impact data from Swaziland
2004
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
3.0%
3.5%
% Absences % Mortality due to AIDS
Medium Projections (Bars indicate high and low projections)
Data
Data source: Bennell 2006 Countering the impact of the AIDS epidemic on the
education sector in Swaziland
Absence statistic is
absences due to
illnesses
Death statistic is
attrition due to death,
cause undetermined
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Outline
Introduction to the impact of HIV on
education and the study
Presentation of study
Methods and the Ed-SIDA modelling tool
Quantitative impacts
Financial impacts
Comparison with impact data
Conclusions
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Comparison with previous cost estimates
of the impact of HIV on EFA achievement
Annual cost
to education
supply
2002 EFA
Global
Monitoring
Report
Bruns et al.
2003
Present
study
To the
education
sector in SSA
$300,000,000 $287,000,000 $111,000,000
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Conclusions (1)
The 2006 estimates of the cost of HIV for education supply are lower than the 2002 estimates, reflecting the lower prevalence of infection and a better understanding of the impact of HIV on the sector.
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Costs and savings associated with increasing ART
and VCT provision from current levels to 100%
ART at
current
levels
ART at
100%
ART at
current
levels
ART at
current
levels
ART at
100%
2006 2015 2015 2006 2015 2006 2015 2015
Total saving 2007-2015
to MoE of increasing ART
and VCT use
Total cost of increasing
VCT between 2007-2015
$2,207 $59,401
$16,530 $5,559 $411,641
Total cost of increasing
ART between 2007-2015 $11,217
$7,265 $4,595 $1,059,091
ART at
100%
2015
Sub-Saharan Africa
medium scenario
x1000 US$
South-East Asia
medium scenario
x1000 US$
Caribbean
medium scenario
x1000 US$
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Conclusions (2)
Universal access by teachers to VCT and ART is beneficial to education supply in all the three regions assessed.
In sub-Saharan Africa, where the impact of HIV is greatest, the investment in universal access is cost-effective on the returns to education supply alone.
In the Caribbean, the savings to the education sector generated by universal treatment would pay for all necessary drugs
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Extra teacher recruitment required to
achieve EFA in sub-Saharan Africa
ART at current levels 4.4%
ART accessed by all
teachers requiring it
0.2%
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Conclusions (3)
The additional teacher recruitment required
to achieve EFA in SSA can be reduced to
very low levels through universal access to
VCT & ART
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Acknowledgements
Lesley Drake and all members of the
Partnership for Child Development
Nick Grassly, Kamal Desai, Tim Hallet,
Peter White of the Department of Infectious
Disease Epidemiology, Imperial College
London.