Vital Statistics Registration System

 What is the Vital Statistics Registration System in the United States? What is its purpose and how it is used.  Provide examples of the data required to be included in the system. Also provide an example of a disease or conditions that the vital national statistic system in the US tracked over time. How these data were useful in formulating policies?  Explain how DALY’s are used to allocate resources for disease control.  Provide an example of one country internationally, where the vital statistics played an important role in addressing a public health problem.