Sorry to hear about your DS. Did he get a call? As far as reapplying, I spoke fairly extensively with my AO about it while I was visiting campus. Her advice for reapplying was just this: Go to a four year college, do pre-requisite classes for the major you intend on doing at the CGA, and get...
You might want to check the instructions on the DODMETS website. I seem to remember a place where it says minor sicknesses don't affect your exam, but I could be wrong.