Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
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
Coxiella burnetii can survive in harsh environments and is highly resistant to heat, drying, and many disinfectants.
The primary mode of transmission is through inhalation of aerosols from infected animals or contaminated environments.
Q fever symptoms range from asymptomatic to severe pneumonia and hepatitis in acute cases, and endocarditis in chronic cases.
Diagnosis often involves serological tests to detect antibodies against Coxiella burnetii.
Treatment typically includes doxycycline, especially for acute infections.