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| Q fever | |
|---|---|
| Other names | Query fever, coxiellosis[1][2] |
 | |
| Immunohistochemical detection of C. burnetii in resected cardiac valve of a 60-year-old man with Q fever endocarditis, Cayenne, French Guiana: Monoclonal antibodies against C. burnetii and hematoxylin were used for staining; original magnification is ×50. | |
| Specialty | Infectious diseases  |
| Types | acute, chronic[1] |
| Risk factors | Contact with livestock[2] |
| Differential diagnosis | pneumonia, influenza, brucellosis, leptospirosis, meningitis, viral hepatitis, dengue fever, malaria, other rickettsial infections[2] |
Q fever or query fever is a disease caused by infection with Coxiella burnetii,[1][3][4] 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. The infection results from inhalation of a spore-like small-cell variant, and from contact with the milk, urine, feces, vaginal mucus, or semen of infected animals. Rarely, the disease is tick-borne.[5] The incubation period can range from 9 to 40 days. Humans are vulnerable to Q fever, and infection can result from even a few organisms.[5] The bacterium is an obligate intracellular pathogenic parasite.
- ^ a b c "Epidemiology and Statistics | Q Fever | CDC". www.cdc.gov. 2019-09-16. Archived from the original on 2020-05-29. Retrieved 2020-05-27.
- ^ a b c National Organization for Rare Disorders (2003). "Q Fever". NORD Guide to Rare Disorders. Lippincott Williams & Wilkins. p. 293. ISBN 978-0-7817-3063-1.
- ^ Beare PA, Samuel JE, Howe D, Virtaneva K, Porcella SF, Heinzen RA (April 2006). "Genetic diversity of the Q fever agent, Coxiella burnetii, assessed by microarray-based whole-genome comparisons". Journal of Bacteriology. 188 (7): 2309–2324. doi:10.1128/JB.188.7.2309-2324.2006. PMC 1428397. PMID 16547017.
- ^ "Q fever | Genetic and Rare Diseases Information Center (GARD) – an NCATS Program". Genetic and Rare Diseases Information Center. Archived from the original on 2018-04-18. Retrieved 2018-04-17.
- ^ a b "Q Fever | CDC". Centers for Disease Control and Prevention. 2017-12-27. Archived from the original on 2018-04-18. Retrieved 2018-04-17.