[Verified Answer]: Concept of Health & Disease,…

Concept of Health & Disease, Epidemiological methods A community health center implemented a vaccination program for Hepatitis B in a rural area. They conducted a study to evaluate the effectiveness of the vaccination program among residents aged 18 to 60 years. The study included 500 participants who received the Hepatitis B vaccine and were followed up for six months. a. Identify and explain the type of epidemiological study conducted in this scenario. b. Outline the steps involved in conducting this epidemiological study. c. Discuss potential sources of bias that may affect the study results and suggest strategies to minimize bias. d. Describe the advantages and limitations of the epidemiological study design used in this case.