Coxiella burnetii

Definition

Coxiella burnetii is a small, obligate intracellular bacterium that causes Q fever. It primarily infects the respiratory system of humans through inhalation of contaminated aerosols.

5 Must Know Facts For Your Next Test

1. Coxiella burnetii can survive in harsh environments and is highly resistant to heat, drying, and many disinfectants.
2. The primary mode of transmission is through inhalation of aerosols from infected animals or contaminated environments.
3. Q fever symptoms range from asymptomatic to severe pneumonia and hepatitis in acute cases, and endocarditis in chronic cases.
4. Diagnosis often involves serological tests to detect antibodies against Coxiella burnetii.
5. Treatment typically includes doxycycline, especially for acute infections.

Review Questions

• What is the primary mode of transmission for Coxiella burnetii?
• What are common symptoms associated with acute Q fever caused by Coxiella burnetii?
• Which antibiotic is commonly used to treat infections caused by Coxiella burnetii?

Related terms

Q fever: An infectious disease caused by the bacterium Coxiella burnetii.

Serology: A diagnostic examination of blood serum, especially with regard to the response of the immune system to pathogens or introduced substances.

Doxycycline: An antibiotic used for treating various bacterial infections including those caused by Coxiella burnetii.