CDPH sees ‘flattening’ of opioid-related deaths curve Ryan Voyles 3 months ago Expanded outreach efforts in high-risk Chicago communities helped in “flattening” the opioid-related deaths curve, the city’s Department of Public Health said Wednesday.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.