Carbon monoxide (CO) is an odorless, colorless gas that kills without warning. According to the Centers for Disease Control and Prevention, more than 400 people die from CO poisoning every year.

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Carbon monoxide (CO) is an odorless, colorless gas that kills without warning. Hundreds of people ... The risk of CO poisoning rises in the winter months, especially during power outages.

HUNTINGTON, W.Va. (WSAZ) - Known as the silent killer, carbon monoxide is a colorless and odorless gas that can be very deadly, and most of the time people don’t even know they’ve been exposed ...

The warning comes after a husband, a wife and her mother died inside a houseboat at Saguaro Lake during the weekend due to carbon monoxide poisoning. They were identified on Monday. The Maricopa ...