Q fever

Q fever is a worldwide zoonotic infection caused by the obligate intracellular bacterium *Coxiella burnetii*, most frequently transmitted to humans via the inhalation of aerosols or dust contaminated with birth products, feces, or urine from infected livestock

Q fever is a worldwide zoonotic infection caused by the obligate intracellular bacterium *Coxiella burnetii*, most frequently transmitted to humans via the inhalation of aerosols or dust contaminated with birth products, feces, or urine from infected livestock

Q fever is a worldwide zoonotic infection caused by the obligate intracellular bacterium *Coxiella burnetii*, most frequently transmitted to humans via the inhalation of aerosols or dust contaminated with birth products, feces, or urine from infected livestock The acute presentation commonly affects the respiratory, hepatobiliary, and systemic systems, manifesting as a self-limited influenza-like illness, severe retrobulbar headache, atypical pneumonia, or granulomatous hepatitis In a minority o...

The acute presentation commonly affects the respiratory, hepatobiliary, and systemic systems, manifesting as a self-limited influenza-like illness, severe retrobulbar headache, atypical pneumonia, or granulomatous hepatitis In a minority of patients—particularly those with preexisting valvulopathy, vascular prostheses, or immunosuppression—it can progress to chronic infection, pathognomonically characterized by culture-negative endocarditis or infected vascular aneurysms

The acute presentation commonly affects the respiratory, hepatobiliary, and systemic systems, manifesting as a self-limited influenza-like illness, severe retrobulbar headache, atypical pneumonia, or granulomatous hepatitis

In a minority of patients—particularly those with preexisting valvulopathy, vascular prostheses, or immunosuppression—it can progress to chronic infection, pathognomonically characterized by culture-negative endocarditis or infected vascular aneurysms