A bacterial infection caused by Coxiella burnetii. It is transmitted to humans by the inhalation of infected air particles or contact with fluids and feces of infected animals. Signs and symptoms include the abrupt onset of fever, headache, myalgias, and weakness. The disease is Q fever (MONDO_0019186). Also known as: Coxiella burnetii caused disease or disorder, Coxiella burnetii disease or disorder, Coxiella burnetii infectious disease, Coxiellosis, infection due to Coxiella burnetii, nine Mile fever, quadrilateral fever, query fever.