Harrison’s Manual of Medicine 19th edition provides 600+ internal medicine topics in a rapid-access format. Download Harrison’s App to iPhone, iPad, and Android smartphone and tablet. Explore these free sample topics:
-- The first section of this topic is shown below --
Coxiella burnetii—the etiologic agent of Q fever—is a small, pleomorphic coccobacillus that has a gram-negative cell wall and is located intracellularly.