I was one of the "limbo" applicants waiting for a secondary and since it had been a super long time, I decided to call just now. Admissions office is really receptive and it turns out they sent me a letter weeks ago that I never got. The lady said she couldn't disclose the contents of the letter over the phone, but is sending me a copy via email in the next ten minutes. I assume it's probably bad news, but I'll be glad to just know one way or another. If you're feeling impatient, I would say it can't hurt to call.
Vanderbilt is an amazing place (its my undergrad alma mater), good luck everyone!\
Edit: Rejected indeed 🙁 Still, go 'Dores...