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]
(..) Hmm. You don't think Junior... You're kidding, right? Well, it'll show up. What's wrong with Hank? Mm, it's a stomach bug, sounds like. He hasn't been to work all week. Well, good night. Good night. (..)2013 TvShow: Breaking Bad Title: Blood Money Season: 5 Episode 9