primary bacterial infectious disease Q fever A primary bacterial infectious disease that is a zoonotic infectious disease affecting multiple organs, has_material_basis_in Coxiella burnetii, which is transmitted_by inhalation of air contaminated by barnyard dust containing dried placental material, birth fluids, or excreta of infected herd animals, transmitted_by ingestion of contaminated milk, transmitted_by tick bites and transmitted_by contact with infected person. The infection has_symptom fever, has_symptom headache, has_symptom cough, has_symptom pleuritic chest pain, has_symptom myalgia and has_symptom arthralgia.