At least a B (3.0) grade-point average or equivalent in work completed in the last two years of a bachelor’s degree program and in all post-baccalaureate course work. All applicants are required to submit valid GRE scores. Minimum Scores Required Toefl Paper: 570, Toefl Internet (iBT): 90. As an alternative to the TOEFL, you can submit IELTS scores. IELTS scores are valid for 2 years. Minimum score required is 7. You will need to upload both your Statement of Purpose and Personal History Statement to the SOPHAS application. We require three (3) letters of recommendation to be submitted electronically via the SOPHAS application. You are required to upload an updated CV/resume to your SOPHAS application. Official World Education Services (WES) Evaluations of international transcripts are required to be sent to SOPHAS. Common work experience for admitted applicants: Typical successful applicants have work experience in Research Assistant positions at a health department. A bachelor’s degree or recognized equivalent from an accredited institution; a satisfactory scholastic average, usually a minimum grade-point average (GPA) of 3.0 (B) on a 4.0 scale; and enough undergraduate training to do graduate work in your chosen field. Applicant should have completed one undergraduate course in chemistry and in biology. An undergraduate course in mathematics (e.g., calculus, linear algebra or statistics) is also desirable. Common undergraduate majors for admitted applicants: Chemistry, biology, microbiology, molecular biology, nutrition, ecology, public health, environmental science, Common work experience for admitted applicants: Applicants in past years have worked as lab technicians, student researchers, research scientists, post-graduate fellows, toxicologists, industrial hygiene engineers, and for the Peace Corps.