Oh man, "MISPH" totally threw me off! I had no idead they'd changed their name. I got into the same dept (for the MS in Public Health Micro & Emerging ID), but am forgoing GWU for a slightly better opportunity at Hopkins. GWU's tuition is just a bit too much for me, especially on top of DC's crazy cost of living. Good luck with your visa application! I'll be in the same boat over in Myanmar.
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I'll be enrolling at Johns Hopkins for a (hopefully accelerated) MSPH-PhD degree in International Health (GDEC concentration). I'll be at the admitted students open house this Friday, so feel free to PM me if you're going as well!