It usually takes about 20 days after exposure to the bacteria for symptoms to occur. Most cases are mild, yet some severe cases have been reported.
Symptoms of acute Q fever may include:
Symptoms of chronic Q fever may include:
The health care provider will suspect Q fever in people who have been exposed to the Coxiella burnetii bacteria who develop:
Q fever is diagnosed with a blood antibody test (serology).
Marrie TJ, Raoult D. Coxiella burnetii (Q fever). In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009:chap 189.
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