The Important Public Health Developments During the Last 20 Years

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The Important Public Health Care Developments during the Last 200 Years Michael K. Kivuva Uvocorp The field of public health has witnessed many changes over the past two centuries. The transformations have been fueled by various scientific innovations which have helped to reduce the prevalence of infectious diseases. Technological advancements have also led to various developments. The developments that have occurred in this field include improved sanitation and hygiene, vaccination, and improved methods of detection of diseases. These developments have led to the formulation of policies, public health programs and health promotion campaigns that have helped to control infectious diseases. In the 19th century, industrialization encouraged people to migrate from rural to urban areas as they searched for opportunities in the industrialized centers. This shift led to overcrowding which created various public health concerns. The overcrowded areas had poorly built houses that lacked proper sewerage drainage systems. Moreover, they did not have clean water supply systems. These shortcomings led to frequent outbreaks of diseases like cholera, typhoid fever, malaria, dysentery and yellow fever. However, various public health interventions that started in 1900 helped to overcome these challenges. In the first half of the 20th century, most local and state governments set up infrastructure for sewage disposal and clean water supply to homes. Moreover, water for domestic use was being treated by chlorination. This led to a reduction in the prevalence of disease outbreaks and water borne diseases. During the same period, aggressive animal and pest control measures were set up. These led to a decline in diseases like malaria, dengue fever and rabies (Center for Disease Control [CDC], 1999). According to CDC, vaccination measures have been
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