In a statement published Tuesday , The Pueblo Department of Public Health and Environment confirmed a"human case of plague in a Pueblo County resident."
Related: 'Black death' survivors had plague-resistant genes that may boost their descendants' risk of autoimmune disease Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox. PDPHE has not yet disclosed which type of plague the individual in Colorado has or how they are responding to treatment.