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Browsing by Author "Carzolio, Marcos"

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    Climate Change is Likely to Worsen the Public Health Threat of Diarrheal Disease in Botswana
    Alexander, Kathleen A.; Carzolio, Marcos; Goodin, Douglas; Vance, Eric A. (MDPI, 2013-03-26)
    Diarrheal disease is an important health challenge, accounting for the majority of childhood deaths globally. Climate change is expected to increase the global burden of diarrheal disease but little is known regarding climate drivers, particularly in Africa. Using health data from Botswana spanning a 30-year period (1974–2003), we evaluated monthly reports of diarrheal disease among patients presenting to Botswana health facilities and compared this to climatic variables. Diarrheal case incidence presents with a bimodal cyclical pattern with peaks in March (ANOVA p < 0.001) and October (ANOVA p < 0.001) in the wet and dry season, respectively. There is a strong positive autocorrelation (p < 0.001) in the number of reported diarrhea cases at the one-month lag level. Climatic variables (rainfall, minimum temperature, and vapor pressure) predicted seasonal diarrheal with a one-month lag in variables (p < 0.001). Diarrheal case incidence was highest in the dry season after accounting for other variables, exhibiting on average a 20% increase over the yearly mean (p < 0.001). Our analysis suggests that forecasted climate change increases in temperature and decreases in precipitation may increase dry season diarrheal disease incidence with hot, dry conditions starting earlier and lasting longer. Diarrheal disease incidence in the wet season is likely to decline. Our results identify significant health-climate interactions, highlighting the need for an escalated public health focus on controlling diarrheal disease in Botswana. Study findings have application to other arid countries in Africa where diarrheal disease is a persistent public health problem.
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    Impact Evaluation of the Mozambique Rural Water Supply Activity
    Hall, Ralph P.; Davis, Jenna; Van Houweling, Emily; Vance, Eric A.; Carzolio, Marcos; Seiss, Mark Thomas; Russel, Kory (Virginia Tech. School of Public and International Affairs, 2014-08)
    In 2007, the Millennium Challenge Corporation (MCC) signed a $506.9 million compact designed to reduce poverty in Mozambique by promoting sustainable economic growth. Among the planned investments was the installation of 600 improved water points in rural communities across the provinces of Nampula and Cabo Delgado. In addition to the installation of the water points, the Rural Water Points Installation Program (RWPIP) also mobilized water committees to maintain the infrastructure and provided trainings to water committees and community members. Most of the water points are boreholes equipped with Afridev handpumps, but in Cabo Delgado ten small-scale solar systems (SSSS) were installed where there was sufficient water supply and unmet demand. The Rural Water Supply Activity (RWSA) of the Mozambique Compact is intended to increase sustainable access to improved water supply in some of the country’s poorest districts. This report provides the results from an impact evaluation of the Millennium Challenge Account’s (MCA’s) Rural Water Point Implementation Program (RWPIP) in Nampula. Datasets that accompany this report can be accessed at the following URL: https://data.lib.vt.edu/collections/wd375w28x