Coconino County has confirmed its first human death from the plague in nearly two decades. Health officials say a Coconino County resident has died from pneumonic plague — a rare but serious lung infection.

ARIZONA — Health officials have reported the first plague death since 2007, according to CBS News and the AP. Plague is generally rare in humans, as an average of seven cases are reported annually in the United States. The person who most recently died had the pneumonic plague and lived in Coconino County, Arizona.