settings than rural areas (World, 2010). Cities concentrate people, opportunities, services, and unfortunately, risks and hazards for health (2010). When large numbers of people are linked together in space and connected by shared services, the consequences of adverse events are amplified, such as contamination of the food and water supply, high levels of air or noise pollution, a chemical spill, a disease outbreak, or a natural disaster (2010). Although fewer people are living in rural areas, access…
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