Rickettsia, commonly known as tick fever is a bacterium which can cause many diseases that are transmitted by blood-sucking parasitic arthropods such as fleas, lice and ticks.

立克次氏体通常被称为蜱热是一种细菌，这种细菌可引起多种疾病，并通过吸血节肢寄生动物如跳蚤、虱子和蜱等传播。

Tick typhus is actually a form of Spotted fever in Africa and the Indian subcontinent.

蜱传斑疹伤寒实际上是非洲和印度次大陆的斑疹热的一种。

Ehrlichiosis is a disease caused by Ehrlichia Canis and spread by the brown dog tick, Rhipicephalus sanguineous. Signs include fever, vasculitis, and low blood counts.

埃里克氏体病是一种由犬埃立克体引起的疾病，由棕色狗蜱传播。临床症状有发热、血管炎和血细胞数量降低。

Objective To study the aetiology and epidemiology of tick borne spotted fever in northeastern area.

目的对我国东北地区蜱传斑点热进行病原学和流行病学研究。

Objectives: To isolate spotted fever group rickettsiae from tick vectors.

目的：从蜱类媒介中分离斑点热群立克次体。