a local infection

The Arabidopsis NPR1 gene controls the onset of systemic acquired resistance (SAR), a plant immunity that is often activated after a local infection.

转拟南芥npr 1基因可使植物广泛增强疾病抗性，尤其是系统获得性抗性(SAR)，刺激未感染植物引发防御反应。

Local infection rates in nymphal ticks may be low (< 20%) with a low risk of infection (<5%) from a detected, attached tick (most people who get Lyme disease do not notice the tick).

蜱虫若虫叮咬造成的局部感染率可能比较低（低于20%），但是由被检测到附着在皮肤上的蜱虫叮咬造成的感染风险则更低（小于5%），因为大多数患上莱姆病的人并没有注意到蜱虫。

Around 12, 000 endangered Saiga antelopes, killed by a suspected pasteurellosis infection, were found dead in Kazakhstan over the past few days, local media reported.

根据当地媒体报道，在过去的数天中，大约有12000只濒危的赛加羚羊因疑似感染巴斯德杆菌而死亡，在哈萨克斯坦境内也发现了死亡病例。