About 5,000 years ago, a bacterium that was primarily transmitted via ticks made a switch to louse. That may have been a ...

The discovery of Rickettsia sp. ME2023 is a key piece of a puzzle that scientists at the UMass Amherst-based New England Center of Excellence in Vector-borne Diseases (NEWVEC) are pondering.

Rocky Mountain Spotted Fever/ Rickettsia (RMSF) Rocky Mountain Spotted Fever/Rickettsia (RMSF) is most often transmitted by the American dog tick in the Eastern, Central and Western United States; by ...

Murine Typhus is caused by the flea-borne bacteria Rickettsia typhi ... Additionally, transmission can occur through exposure of mucous membranes to infected flea feces. Notably, Murine Typhus ...

The new bacteria, Rickettsia sp. ME2023, can cause spotted fever rickettsioses in humans, including Rocky Mountain spotted fever, which has a death rate of 20 to 30 percent if not treated promptly ...

He found that 6.1% of 296 rabbit ticks collected from 38 towns across nine counties in Maine tested positive for the new Rickettsia genotype. “This wasn’t a needle in a haystack,” Rich says.