DENVER (CBS4) – A 7-year-old girl from Southern Colorado is in stable condition after contracting the bubonic plague.

It’s believed to be the first human case of the disease in Colorado in six years.

It’s likely that Esierra Downing from Pagosa Springs picked up the plague at a campground. She’s now recovering at Rocky Mountain Hospital for Children in Denver.

Rats and squirrels can carry the disease and infected fleas can spread it to humans.