Microbiologist Stephen Rich is the executive director of the UMass Amherst-based New England Center of Excellence in Vector-borne Diseases (NEWVEC). “We now know there is something different, ...

Scientists call for increased vigilance. Researchers raise alarm after discovering new type of bacteria killing dogs in US: ...

Researchers at North Carolina State University have identified a new species of Rickettsia bacteria that may cause significant disease in dogs and humans. This new yet unnamed species, initially ...

Ticks, including many that bite humans, are hosts to several obligate intracellular bacteria in the spotted fever group (SFG) of the genus Rickettsia. Only Rickettsia rickettsii, the agent of Rocky ...