Epidemiology

Question 1 How does epidemiology help in researching and addressing population health challenges? Provide a specific contemporary example. Please use PubMed and CDC articles for references. (250words).Minimum 2 references, please. Question 2 Research a health concern (outbreaks of hepatitis A across the United States)that impacts a population of ( People who use drugs injection or non-injection experiencing unstable housing or homelessness )with which you are familiar. How do biostatistics affect the research focus? How do you define the population as your patient? Make sure to include the population and health concerns. Please use PubMed and CDC articles for references. Minimum 2 references. (250words).