They've been trying to work/get the 'bugs' out of the system. [=trying to fix the system's problems]
He was first bitten by 'the' acting 'bug' [=he first became interested in acting] when he was 18.
Her legs were covered in 'bug' bites. [=itchy or painful wounds from insects]
(..) Keep it going. Keep it going. Keep... Yes! Fifty-six. This is so embarrassing. I am fine, honestly. It's just some bug going around. First, my wife had it, then my son, and now me. It's just... It's just like a chest cold. Could be some low blood sugar as well. (..)2008 TvShow: Breaking Bad Title: Pilot Season: 1 Episode 1