摘要：

Although substantial progress occurred in the knowledge of Coxiella burnetii during the past years, the pathophysiology of Q fever is still obscure. Emerging evidence from clinical investigations suggested that certain disorders of cell-mediated immunity play a pivotal role in Q fever and especially in its chronic form. This review analyses the potential stategies that C. burnetii, a strictly intracellular pathogen, use to divert microbicidal mechanisms of macrophages and to depress protective T-cell mediated immunity. The role of monocytes in the induction of Q fever is specifically discussed.

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