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murine typhus n a mild febrile disease that is marked by headache and rash, is caused by a bacterium of the genus Rickettsia (R. typhi), is widespread in nature in rodents, and is transmitted to humans by a flea called also endemic typhus
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an acute, flea-borne endemic infectious disease clinically similar to but milder than epidemic typhus; caused by Rickettsia typhi, which is transmitted from rats to humans chiefly by the rat flea, Xenopsylla cheopis. The condition has been seen in many parts of the world and given a variety of local names. Called also endemic, flea-borne, or rat t.Medical dictionary. 2011.