Colorado health officials investigating human case of bubonic plague

Colorado health officials are investigating a suspected case in a human of the plague, the rare bacterial infection is infamously known for killing tens of millions in 14th century Europe. Today, it’s easily treated with antibiotics.

The Centers for Disease Control and Prevention estimates there are seven human cases of plague per year in the U.S., and in February, Oregon officials reported it in a person who likely got it from their sick cat.