Maine reports first case of rare, deadly tick-borne virus since 2017缅因州自2017年以来，首例罕见、致命的壁虱传播病毒A Maine resident has been infected with a rare but typically severe tick-borne illness that can cause brain infections and meningitis and, in some cases, lead to death.

缅因州的一名居民感染了一种罕见但典型的严重虱子传播疾病，这种疾病可导致脑部感染和脑膜炎，在某些情况下甚至还会导致死亡。

The Maine Center for Disease Control and Prevention (CDC) announced in a Wednesday news release that the resident, who has not been identified, showed symptoms of human Powassan encephalitis disease — more commonly referred to as Powassan virus — in late June and was hospitalized.

缅因州疾病控制与预防中心(CDC)在周三的新闻稿中宣布，这名未被确认身份的居民在6月下旬出现了人类波瓦桑脑炎(通常称为波瓦桑病毒)的症状，并住院治疗。

The state CDC did not say whether or not the resident recovered.

国家疾病预防控制中心没有说明该居民是否康复。

Powassan virus — which belongs to a group of viruses that can cause infection of the brain (encephalitis) or the membranes around the brain and spinal cord (meningitis), per the Centers for Disease Control and Prevention — is typically spread to humans after they’re bitten by an infected woodchuck or deer tick.

根据疾病控制和预防中心的说法，波瓦桑病毒属于一组能引起大脑(脑炎)或大脑和脊髓周围膜(脑膜炎)感染的病毒”，通常是被感染土拨鼠咬伤或鹿蜱叮咬后感染。

The federal agency says those who live or work near brushy or woody areas are more likely to be exposed to potentially infected ticks.

联邦机构表示，那些生活或工作在灌木丛或树林附近的人更有可能接触到潜在感染的虱子。

Most cases of Powassan virus — which was first discovered in Powassan, Ontario in 1958, according to the Maine CDC — have occurred in the northeast and Great Lakes areas of the US.

据缅因州疾控中心称，波瓦桑病毒最早于1958年在安大略省的波瓦桑发现，大多数病例发生在美国东北部和五大湖地区。

Those infected with the virus typically experience fever, headache, vomiting, weakness, confusion, seizures and memory loss, per the Maine CDC, which also noted: long-term neurologic problems may occur.

”根据缅因州疾病预防控制中心的说法，感染病毒的人通常会出现发烧、头痛、呕吐、虚弱、神志不清、癫痫和失忆等症状。

该机构还指出:可能会出现长期的神经问题。

”Symptoms can begin anytime from one week to one month after the tick bite.

There is no specific treatment, but people with severe Powassan virus illness often need to be hospitalized,” it added.

蜱虫叮咬后一周到一个月的任何时候都可能出现症状。

目前还没有具体的治疗方法，但是患有严重的波瓦桑病毒疾病的人往往需要住院治疗。

”Patients typically need support breathing and to treat swelling around the brain, but there is no medicine to treat the virus, nor is there a vaccine to prevent it, and about 10 percent of cases result in death, according to the federal health agency.

根据联邦卫生署的数据，病人通常需要支持呼吸和治疗大脑周围的肿胀，但是没有药物来治疗病毒，也没有疫苗来预防它，大约10%的病例会导致死亡。

Powassan virus is rare, with an average of seven cases reported cases each year in the US.

In Maine, 11 cases of Powassan virus have occurred since 2000, state health officials said.

It is the first time since 2017 that a person in the state has come down with the illness.

波瓦桑病毒很罕见，美国每年平均报告7例病例。

缅因州卫生官员说，自2000年以来，缅因州已经发生了11例波瓦桑病毒病例。

这是自2017年以来该州第一次有人感染该病毒。

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