Medical Definition of Blue disease

1. An acute febrile (feverish) disease initially recognised in the Rocky Mountain states, caused by Rickettsia rickettsii transmitted by hard-shelled (ixodid) ticks. Occurs only in the Western Hemisphere. The disease is characterised by sudden onset of headache, chills and fever which can persist for 2-3 weeks, muscle pain. A characteristic rash appears on the extremities and trunk about the 4th day of illness. The rickettsiae grow within damaged cells lining blood vessels which may become blocked by clots. Blood vessel inflammation (vasculitis) is widespread Early recognition of the condition and prompt antibiotic treatment is important in reducing mortality. Synonym: spotted fever, tick fever, and tick typhus. (25 Jun 1999)

Blue Disease Pictures

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Lexicographical Neighbors of Blue Disease

blue cod
blue cohosh
blue columbine
blue cone monochromatism
blue copperas
blue crab
blue cross
blue curls
blue daisy
blue darter
blue daze
blue dazes
blue devil
blue devils
blue dextran
blue disease (current term)
blue dome cyst
blue dot sign
blue dwarf
blue elder
blue elderberry
blue eye cod
blue false indigo
blue fever
blue fig
blue films
blue flag
blue flash
blue flashes

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