Einschlußkörper und Entwicklungsstadien bei Rickettsien?
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The “inclusion bodies” described by several authors in rickettsial infections are not of uniform etiology. In relatively resistant animalsR. prowazeki forms round intracellular colonies composed of closely packed rickettsiae. Intracellular digestion transforms these colonies into homogeneous inclusions. Other inclusions are the result of intracellular digestion of phagocytized cells. The sphérules and anneaux described byGiroud as stages of a development cycle have nothing to do withR. prowazeki. They belong toEperythrozoon coccoides.