When selecting an online module in Epidemiology, consider the following factors: - Accreditation: Ensure the module is offered by a reputable institution or organization. - Content Quality: Look for reviews or testimonials from previous learners regarding the quality of the content. - Instructor Expertise: Check the qualifications and experience of the instructors. - Interactive Elements: Modules with quizzes, case studies, and interactive tasks can enhance learning. - Certification: If you need a formal recognition of your learning, check if the module offers a certificate upon completion.