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How are the obligate intracellular pathogens of the genera Rickettsia, Ehrlichia, and Anaplasma transmitted by vectors?



A. All are transmitted by ticks except for Rickettsia typhi, which is transmitted by lice
B. Rocky Mountain spotted fever is transmitted mainly by Amblyoma ticks found in Texas
C. Anaplasma is transmitted mainly by Ixodes ticks, which can be co-infected with Babesia or agent of Lyme disease
D. Epidemic typhus is transmitted mainly by rodent fleas
Asked by Jagger, Last updated: Dec 18, 2019

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John Smith

John Smith

Answered Sep 09, 2016

Anaplasma is transmitted mainly by ixodes ticks, which can be co-infected with babesia or agent of lyme disease -organism---------- disease--------vector-------- reservoirrickettsia rickettsii-----rocky mountain---tick---------dogs, ticks ........................................ spotted feverrickettsia typhi-------endemic typhus flearodentsrickettsia prowazeki----epidemic typhus---louse------humans, flying squirrels orientia tsutsugamushi --scrub typhus-----chigger(mite)--- humansehrlichia chaffeensis----ehrlichiosis-------tick-------- deer, rodentsanaplasma ----------anaplasmosis----tick--------rodents, deerphagocytophilumtyphus means smoky or hazy in greek, refers to mental stupor
 

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