Colorado HS student, Taylor Gaes, ID’d as plague victim. What is septicemic plague?

In a follow-up to an earlier report on a human plague death in Larimer County, Colorado, multiple local news sources have identified the victim of the lethal bacterial infection as 16-year-old Poudre High School student, Taylor Gaes. Reports note that the teen contracted a more serious and rare form of the plague known as septicemic. He likely ["]