Introduction to Online Learning is a free, non-credit mini course that is a prerequisite for all students wanting to take online courses offered by the Johns Hopkins Bloomberg School of Public Health. (Note: Students wanting to take an online course must complete Introduction to Online Learning prior to the start of the term in which they wish to enroll in online courses. Conditional and/or concurrent enrollment in another online course is not permitted. Registration for this course ends at 11:59pm on the first Friday of the class.)