Hello! I'll try to help answer these questions based on what I've heard and picked up from looking at previous years' threads! Scores are more like gatekeepers and there is a much higher emphasis on grad GPA and GRE scores. They do look at BA GPA, but not has much as your grad GPA. Additionally, since PhD programs tend to have a more holistic admissions approach, I'm sure any relevant experience (especially public health experience) puts you in a great position since it shows you are dedicated to this field.