Acute infectious disease caused by coxiella burnetii; characterized by a sudden onset of fever,headache, malaise, and weakness; in humans, it is commonly contracted by inhalation of infected dusts derived from infected domestic animals.

Q fever or query fever is a disease caused by infection with Coxiella burnetii, a bacterium that affects humans and other animals. This organism is uncommon, but may be found in cattle, sheep, goats, and other domestic mammals, including cats and dogs...