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Acute Q fever pericarditis followed by chronic hepatitis in a two-year-old girl.

Acute Coxiella burnetii infection is most commonly a mild and self-limiting disease with fever, pneumonia and hepatitis. Endocarditis is the most frequent clinical presentation of chronic infection. We report a 2-year-old child with Q fever who presented with acute pericarditis and cardiac tamponade and who developed a chronic hepatic infection.