C in a repeated course - bring up in secondaries?

My freshman year I got a W in organic chemistry 1, and when I retook the class my sophomore year I got a C in it. However, in organic chemistry 2 I managed to get an A. Everything else since then has been A's with an occasional B. My questions would be - how much of a red flag would this be to schools? And should I bring this up in all of my secondaries (even in the ones where they don't ask for poor grades, i.e. "anything else?" prompts)? Input is much appreciated.
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Tags: Pre-Medical (MD) Source Type: forums