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Health Effects Carbon Monoxide Poisoning - CDC Tracking Network

Carbon monoxide, or CO, is a toxic gas that you cannot see or smell. CO is given off whenever fuel or other carbon-based materials are burned. Breathing high levels of it causes CO poisoning, which can cause severe illness or death in just minutes. Although CO poisoning can be prevented, every year, hundreds of people in the United States die as a result of accidental, non-fire related exposure to this toxic gas. And, every year, thousands more people across the United States require emergency medical care for illness caused by CO poisoning.

Learn more about CO poisoning and prevention.

All people are at risk for CO poisoning, though some are generally more at risk than others. Protect yourself and your family from CO poisoning.

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