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Rickettsia spp. include a number of serious human pathogens. For example, R. rickettsii causes Rocky Mountain spotted fever, a life-threatening form of meningoencephalitis (inflammation of the membranes that wrap the brain). R. rickettsii infects ticks and can be transmitted to humans via a bite from an infected tick .
A) It usually causes a spotted rash similar to Rocky Mountain spotted fever. B) The organism reproduces inside the host's phagosomes. C) It is transmitted by ticks. D) It is an emerging infectious disease. E) It has three stages: elementary body, initial body, and morula.
Through which of the following methods did Emma contract the bacteria that causes Rocky Mountain spotted fever? Choose one: A. Insect vector B. Vertical transmission C. Vehicle transmission D. Skin-to-skin contact Which organism is directly responsible for causing Rocky Mountain spotted fever?
Rocky Mountain Spotted Fever What is Rocky Mountain spotted fever (RMSF) and what causes it? Rocky Mountain spotted fever is a serious bacterial infection spread by ticks. Disease can occur in humans and dogs. As its name suggests, the disease was first discovered in the Rocky Mountain area of the U.S., however, today the majority of cases
Rocky Mountain Spotted Fever. Rocky Mountain spotted fever is caused by the organism , the most common rickettsial infection in the United States . Transmitted by the dog tick Dermacentor variabilis (Fig. 16.1), R. rickettsia is an intracellular pathogen that infects vascular endothelial cells and, less often, underlying smooth muscle cells of ...
Mar 16, 2006 · In October 2004, CDC's Viral and Rickettsial Zoonoses Branch, in consultation with 11 clinical and academic specialists of Rocky Mountain spotted fever, human granulocytotropic anaplasmosis, and human monocytotropic ehrlichiosis, developed guidelines to address the need for a consolidated source for the diagnosis and management of TBRD.
Which of the following diseases is caused by a spirochete? tularemia relapsing fever rheumatic fever Rocky Mountain spotted fever B Which of the following diseases is transmitted by body lice? tularemia bubonic plague murine typhus epidemic typhus
