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Estimating the costs of achieving the WHO-UNICEF Global Immunization Vision and Strategy, 2006 -- 2015.
Bulletin of the World Health Organization. 2008 Jan; 86(1):27-39.The objective was to estimate the cost of scaling up childhood immunization services required to reach the WHO-UNICEF Global Immunization Vision and Strategy (GIVS) goal of reducing mortality due to vaccine-preventable diseases by two-thirds by 2015. A model was developed to estimate the total cost of reaching GIVS goals by 2015 in 117 low- and lower-middle-income countries. Current spending was estimated by analysing data from country planning documents, and scale-up costs were estimated using a bottom-up, ingredients-based approach. Financial costs were estimated by country and year for reaching 90% coverage with all existing vaccines; introducing a discrete set of new vaccines (rotavirus, conjugate pneumococcal, conjugate meningococcal A and Japanese encephalitis); and conducting immunization campaigns to protect at-risk populations against polio, tetanus, measles, yellow fever and meningococcal meningitis. The 72 poorest countries of the world spent US$ 2.5 (range: US$ 1.8-4.2) billion on immunization in 2005, an increase from US$ 1.1 (range: US$ 0.9-1.6) billion in 2000. By 2015 annual immunization costs will on average increase to about US$ 4.0 (range US$ 2.9-6.7) billion. Total immunization costs for 2006-2015 are estimated at US$ 35 (range US$ 13-40) billion; of this, US$ 16.2 billion are incremental costs, comprised of US$ 5.6 billion for system scale-up and US$ 8.7 billion for vaccines; US$ 19.3 billion is required to maintain immunization programmes at 2005 levels. In all 117 low- and lower-middle-income countries, total costs for 2006-2015 are estimated at US$ 76 (range: US$ 23-110) billion, with US$ 49 billion for maintaining current systems and $27 billion for scaling-up. In the 72 poorest countries, US$ 11-15 billion (30%-40%) of the overall resource needs are unmet if the GIVS goals are to be reached. The methods developed in this paper are approximate estimates with limitations, but provide a roadmap of financing gaps that need to be filled to scale up immunization by 2015. (author's)
Bulletin of the World Health Organization. 2008 Jan; 86(1):13-19.Target 10 of the Millennium Development Goals (MDGs) is to "halve by 2015 the proportion of people without sustainable access to safe drinking water and basic sanitation". Because of its impacts on a range of diseases, it is a health-related MDG target. This study presents cost estimates of attaining MDG target 10. We estimate the population to be covered to attain the MDG target using data on household use of improved water and sanitation for 1990 and 2004, and taking into account population growth. We assume this estimate is achieved in equal annual increments from the base year, 2005, until 2014. Costs per capita for investment and recurrent costs are applied. Country data is aggregated to 11 WHO developing country subregions and globally. Estimated spending required in developing countries on new coverage to meet the MDG target is US$ 42 billion for water and US$ 142 billion for sanitation, a combined annual equivalent of US$ 18 billion. The cost of maintaining existing services totals an additional US$ 322 billion for water supply and US $216 billion for sanitation, a combined annual equivalent of US$ 54 billion. Spending for new coverage is largely rural (64%), while for maintaining existing coverage it is largely urban (73%). Additional programme costs, incurred administratively outside the point of delivery of interventions, of between 10% and 30% are required for effective implementation. In assessing financing requirements, estimates of cost should include the operation, maintenance and replacement of existing coverage as well as new services and programme costs. Country-level costing studies are needed to guide sector financing. (author's)