evidence: The Wisconsin Interactive Statistics on Health Query System features an opioid-related hospital encounters module and an opioid overdose deaths module. Need a better understanding of the statistics? This fact sheet can help: A Guide to Interpreting Opioid Statistics, P-02084 (PDF) [...] Opioid Overdose Incidents and the COVID-19 Pandemic in Wisconsin This report (P-03029) was published in 2021 (PDF). It shows opioid overdose incidents in Wisconsin from January 2019 through March 2021 based on ambulance runs and emergency department visits.