All applicants must have, or be in the process of completing, a master's degree in epidemiology or a related field. Individuals who have completed a doctoral degree in a program that does not confer a master's degree (e.g., MD) are also eligible. Applicants should be committed to public health research and practice, so past research and/or other work experience in public health are encouraged. Course work in mathematics (e.g. calculus and statistics), and a strong background in the natural and/or social sciences are strongly recommended. Oral and written communication skills, as well diversity in terms of gender, race and ethnic background, and areas of interest or expertise are highly valued. In addition to the requirements listed below, all students must submit an official transcript showing courses and grades from each prior institution, a statement of academic purpose, a writing sample as described below, and three letters of evaluation from academic and/or work sources. Resume/CV: Yes Writing sample: Yes GRE General: No GRE Subject: No IELTS - overall 7.5 TOEFL (IBT) - 100 TOEFL (PBT) - 600