Several dogs in the US have died following infections by a newly discovered tick-borne disease from the same genus responsible for 'spotted fever'. Scientists are watching the bacterium closely for ...

Researchers have identified a new species of Rickettsia bacteria that may cause significant disease in dogs and humans. This new yet unnamed species, initially identified in three dogs, is part of the ...

Researchers from North Carolina State University have confirmed that a species of Rickettsia first seen in dogs in 2018 is a new species of bacteria. The new species, dubbed Rickettsia finnyi, is ...

Rickettsia rickettsii might be the deadliest one of 25 strains of Rickettsia bacteria that cause Rocky Mountain Spotted Fever (RMSF). Ticks transmit the bacterial pathogen to humans through bites, and ...

Rickettsia spp. are Gram-negative, obligate, intracellular bacterial pathogens. Most rickettsial species have a life cycle that involves both an arthropod vector and a vertebrate host. The high ...

SAN DIEGO — Rickettsia is spread by ticks, lice, fleas, mites found in animals such as dogs. It lives in people’s bloodstream, slowly damaging their skin, lungs, brain and other organs until they die.

There's some good news in New Jersey about a potentially deadly tick-borne bacterium. Researchers examined more than 3,000 ticks in the Garden State and found only one carrying Rickettsia rickettsii, ...