Report: Opioid deaths undercounted in Cook County Ryan Voyles 2 years ago Image: Pixabay Pexels https://pixabay.com/en/architecture-chicago-buildings-city-1869211/ Opioid-related deaths in Cook County may have been undercounted by up to 15 percent in recent years, according to a study released this week by researchers at the University of Illinois Chicago.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.