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==Introduction==
==Introduction==
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[[File:Q Fever.jpg|thumb|200px|right|Goat placenta from Q fever abortion. Note the thickened intracotyledonary areas and tan exudate. The cotyledons have tan necrotic margins and congested, red centres. Copyright CFSPH Iowa State.]]
Q fever is caused by the '''gram negative, intracellular [[Rickettsiales |rickettsial]] [[Bacteria |bacterium]]''', ''Coxiella burnetii''. It causes '''respiratory''' and '''reproductive''' disease in animals and is an important '''zoonosis'''. The organism targets the '''[[Macrophages |macrophages]]''' of the host.
Q fever is caused by the '''gram negative, intracellular [[Rickettsiales |rickettsial]] [[Bacteria |bacterium]]''', ''Coxiella burnetii''. It causes '''respiratory''' and '''reproductive''' disease in animals and is an important '''zoonosis'''. The organism targets the '''[[Macrophages |macrophages]]''' of the host.