Carbon monoxide (CO) is in fumes from cars, portable generators, heating systems, and similar things. Each year in Minnesota, especially in winter, unintentional CO poisonings result in emergency department visits, hospitalizations, and even deaths. CO poisonings are tragic and costly. Many poisonings can be prevented with proper use and maintenance of CO alarms. Change your CO detector battery when you change your clock on Nov. 7! data.web.health.state.mn.us/web/mndata/co #MNData #COPoisoning