Q feverQ fever
a mild illness characterized by fever, headache, muscular pains, and pneumonia, transmitted by contact or ticks, and caused by a rickettsia (Coxiella burnetii)
Origin of Q feverfrom q(uery): so named because of many unanswered questions about the disease when first identified
An infectious disease of humans characterized by fever, malaise, muscle pain, and sometimes chronic endocarditis, caused by a bacterium (Coxiella burnetii) that infects many animal species. It is transmitted to humans chiefly by inhalation of contaminated air from infected domestic animals, as on farms.
Origin of Q feverq(uery) ( because originally the infectious agent was unknown ) fever