Bourbon virus is named for Bourbon County, Kansas, where in 2014 a previously healthy farmer with a history of tick bite died 11 days after onset of fever and fatigue. CDC identified a novel thogotovirus - the first member of that genus shown to cause human illness in the United States. Five confirmed human cases have been reported as of recent surveillance.
Heartland virus was first isolated in 2009 from two northwestern Missouri farmers hospitalized 60 miles apart with fever, leukopenia, and…
Colorado tick fever virus infects red blood cell precursors in the bone marrow and rides inside mature erythrocytes for the cell's full…
A single tick species, Amblyomma americanum, transmits ehrlichiosis from Ehrlichia chaffeensis and E. ewingii, tularemia, Heartland virus,…
Colorado tick fever presents in the Mountain West as a sudden biphasic fever with chills, headache, and myalgia, often mistaken for summer…
Reported United States Powassan virus cases rose from a handful per year through the 1990s to roughly 30 to 50 per year by the early…
The Lyme disease bacterium was identified in 1981 by Willy Burgdorfer at the Rocky Mountain Laboratories in Hamilton, Montana, who was…