murine typhus

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mu·rine ty·phus

a milder form of epidemic typhus caused by Rickettsia typhi and transmitted to humans by rat or mouse fleas.

murine typhus

n.
A mild, acute, endemic form of typhus caused by the microorganism Rickettsia typhi, transmitted from rats to humans by fleas and characterized by fever, headache, and muscular pain. Also called endemic typhus.

murine typhus

An acute rickettsial infection characterised by fever, headache and rash, similar to (but milder than) epidemic typhus, caused by Rickettsia typhi.  MT occurs sporadically worldwide; it is more prevalent in congested rat-infested urban areas. In the US, it occurs in California, Texas and Hawaii.

Clinical findings
Rash, headache, fever, chills, myalgia, nausea, vomiting, cough; nearly half of patients develop neurological signs (e.g.,  confusion, stupor, seizures, incoordination).

DiffDx
Measles, rubella, Rocky Mountain spotted fever.

Vector
R typhi is transmitted to humans by rat fleas (Xenopsylla cheopis), Reservoir Rats, mice and other rodents.

Management
Tetracycline, chloramphenical.

mu·rine ty·phus

(myūr-ēn' tī'fŭs)
A milder form of epidemic typhus caused by Rickettsia typhi and transmitted to humans by fleas from rats or mice.
Synonym(s): endemic typhus.

murine typhus

An acute but comparatively mild disease featuring fever, headache, muscle aches and a slightly raised MACULAR skin rash. It is caused by Rickettsia mooseri , harboured by rats, and transmitted to humans by the flea Xenopsylla cheopis .