Colorado tick fever virus infects red blood cell precursors in the bone marrow and rides inside mature erythrocytes for the cell's full lifespan, causing detectable viremia for up to 120 days. That long carriage means recovered patients should not donate blood for at least six months.
Colorado tick fever presents in the Mountain West as a sudden biphasic fever with chills, headache, and myalgia, often mistaken for summer…
Babesia microti lives inside red blood cells and survives standard blood-bank storage. Between 1979 and 2009, 159 of 162 reported United…
Rhipicephalus sanguineus is a competent vector of Rickettsia rickettsii in the southwestern United States and northern Mexico, where…
CDC and IDSA guidance hold that Borrelia burgdorferi typically requires 36 to 48 hours of tick attachment to transmit. Removing a…
Soft ticks in the genus Ornithodoros can survive years between blood meals and live for a decade or more. A single infected tick can sit…
A single tick species, Amblyomma americanum, transmits ehrlichiosis from Ehrlichia chaffeensis and E. ewingii, tularemia, Heartland virus,…