Choose a population that is vulnerable, infants, teens,homeless, elderly, mentally ill, immigrants, victims of violence, pick a disease for one of these populations, influenza, hiv, hpv, hepatitis, diabetes, cancer, heart fisease, obesity, pregnancy, drug abuse.

Define epidemiology. Review routine research data(medical and health records; review routine data(demographics, census, birth, death, surveillance records); epidemiological triangle, describe the type of epidemiology uses for your topic(descriptive or analysis) describe the relationship of the disease to various levels of prevention.