恙虫病(scrub typhus或tsutsugamushi disease),又名丛林斑疹伤寒,是由恙虫病东方体(Orientia tsutsugamsushi,Ot)所引起的自然疫源性疾病。鼠类是主要传染源,经恙螨幼虫叮咬传播。临床以发热、焦痂或溃疡、皮疹及淋巴结肿大为特征,严重者可发生死亡[1]。人对恙虫病普遍易感,以青壮年多发,男性略多于女性。田间劳动的农民、野外工作人员(伐木工人、筑路工人、地质勘探人员等)、野外旅游者和野外训练部队等受恙螨叮咬机会较多,容易发生感染。恙虫病发病有明显 Scrub typhus or tsutsugamushi disease, also known as bush scrub typhus, is a natural foci disease caused by Orientia tsutsugamsushi (Ot). Rodents are the main source of infection, transmitted by bites of chigger mite larvae. Clinical fever, eschar or ulcers, rashes and enlarged lymph nodes characterized by severe cases of death [1]. People are generally susceptible to tsutsugamushi disease, young and middle-aged, men slightly more than women. Field workers, field workers (lumberjacks, road construction workers, geologists, etc.), field tourists and field training units are more likely to be bitten by mite mites and prone to infection. The incidence of tsutsugamushi obvious