This report provides a comprehensive reflection on infectious diseases, drawing insights from a workshop focused on disease prevention and control. The author discusses the impact of guest speakers on their understanding of vaccination, the importance of advanced techniques in reducing disease burden, and the challenges posed by limited resources, especially in developing countries. The reflection covers the author's changed perception of Healthcare-Acquired Infections (HAIs), the role of health information technology, and the emergence of new threats like bioterrorism. Furthermore, the report highlights the influence of the infectious disease course on the author's career aspirations, emphasizing the significance of research, policy impact, and the various methods of disease prevention and control. The author's career interests are also discussed, emphasizing the importance of becoming a professor in the field.