It concludes that Y. pestis strains isolated from Microtus fucus and Microtus brandti are similar and belong to same origins on genetics.

• 结论青海田鼠型鼠疫耶尔森氏菌和布氏田鼠型鼠疫耶尔森氏菌具有相似性,在遗传学上属于同源。