Coxiella burnetii antibody seropositivity is not a risk factor for AIDS-related non-Hodgkin lymphoma.

To the editor: Coxiella burnetii is an important human pathogen and the causative agent of Q fever, a disease that can lead to life-threatening endocarditis and other serious conditions. About 3% of the US population has antibody evidence of exposure to this agent, which can persist for months to

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