The combined selective pressures of residing in different protozoan hosts in the environment drives the evolution of virulence in the opportunistic pathogen Legionella pneumophila.

中文翻译：

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原生动物宿主导致毒力

居住在环境中不同原生动物宿主中的组合选择性压力驱动机会病原体肺炎军团菌中毒力的演变。