Where do I go from here? (MCAT Prep,ECs and etc.)

Hello Everyone!!! I'm a long time reader of SDN, but this is the first time that I am actually posting in a thread! I am currently a sophomore at a top 50 university located in New York. I have actually created my own major through a special program, however I am on the accelerated track to complete my MPH in Global Health by my "senior" year (2019). My main goal is to work as an infectious disease specialist or medical officer at an international health organization. Here are my current... Where do I go from here? (MCAT Prep,ECs and etc.)
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums