What Is Rickettsia

What Is Rickettsia?
Rickettsia are bacteria, which are obligate intracellular parasites many disease-causing, that live in vertebrates and are transmitted by bloodsucking parasitic arthropods such as fleas , lice and ticks. Rickettsias are named after their discoverer, the American pathologist Harold Taylor Ricketts, who died of typhus in Mexico after confirming the infectious agent of that rickettsial disease.
Rickettsias unlike other bacteria, but like viruses, they require a living host (a living cell) to survive. …