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]
(..) Go home, Benjamin. - Well, I... Wha... - What? Ezekiel's gonna keep coming out here to check on you. He doesn't want to bug you, but he needs to know that you're okay. He told you that? No. But I know him. Well, tell him... (..)2017 TvShow: The Walking Dead Title: Rock in the Road Season: 7 Episode 9