Ismael R. Ortega-Sanchez

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BACKGROUND Despite preventive efforts, influenza epidemics are responsible for substantial morbidity and mortality every year in the United States (US). Vaccination strategies to reduce disease burden have been implemented. However, no previous studies have systematically estimated the annual economic burden of influenza epidemics, an estimate necessary to(More)
School closures are used to reduce seasonal and pandemic influenza transmission, yet evidence of their effectiveness is sparse. In Argentina, annual winter school breaks occur during the influenza season, providing an opportunity to study this intervention. We used 2005-2008 national weekly surveillance data of visits to a health care provider for(More)
BACKGROUND One of the United States' national health objectives for 2010 is that 95% of children aged <6 years participate in fully operational population-based immunization information systems (IIS). Despite important progress, child participation in most IIS has increased slowly, in part due to limited economic knowledge about IIS operations. Should IIS(More)
The Rural Policy Research Institute provides objective analyses and facilitates dialogue concerning public policy impacts on rural people and places. President Clinton signed into law The Personal Responsibility and Work Opportunity Reconciliation Act. Title I of this new law (PL104-193) radically altered the nation's welfare system, through a comprehensive(More)
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