The Yersinia genus includes 11 species, of which Yersinia pestis, Yersinia enterocolitica and Yersinia pseudotuberculosis infect human beings.

• 耶尔森菌属包括11个种,其中能引起人类疾病的有鼠疫耶尔森菌、小肠结肠炎耶尔森菌和假结核耶尔森菌。