洛杉矶供水系统中检测到食脑虫 [美国媒体]

Brain-eating amoeba detected in La. water system

洛杉矶供水系统中检测到食脑虫



NEW ORLEANS --A potentially deadly amoeba has been detected in a Terrebonne Parish watersystem, and while officials say tap water is safe to drink, they are urgingpeople to avoid getting it in their noses.

新奥尔良——Terrebonne地方行政区供水系统检测到了一种可能致命的变形虫(阿米巴虫，一种单细胞生物，入侵人和动物，可致死)，官方声称自来水依然可以安全饮用，但强烈敦促人们避免鼻腔接触到水。

The Louisiana Department of Health notified the SchrieverWater System and town officials Thursday after confirmed the amoeba's presence.The amoeba, Naegleria fowleri, causes a brain infection that leads to thedestruction of tissue. In its early stages, symptoms may be similar tobacterial meningitis.

路易斯安那州卫生部门在确认发现变形虫后，于周四通知了Schriever 供水公司和地方官员，此种变形虫，全名为福氏纳格里阿米巴原虫(一种生存在水中的变形虫，可通过鼻腔入侵脑部，感染后致死率为100%，俗称食脑虫)，可引发脑部感染而导致毁灭性后果，在疾病早期，其症状与细菌性脑膜炎相似。

"We would caution the public to refrain from allowingwater to enter their nasal passages," Sobert said in a statement posted onthe parish government's Facebook page. "The water is safe todrink."  

“我们将警告民众避免水进入鼻腔，” Sobert 在发表在地区官方脸书上的一份声明中说，“但水可以安全饮用。”

The health department asked the water system to convert itscurrent disinfection method to the free chlorine method for 60 days to ensurethat any remaining amoeba is eliminated. A chlorine burn involves boostingchlorine levels to kill the amoeba and bio-film, which can provide a place forthe amoeba to live.

卫生部门要求供水系统将现有杀菌方法改为60天的游离氯杀菌法，以确保杀死所有变形虫。高氯水平可杀死变形虫以及为变形虫提寄居地的生物膜。

The state has tested for the amoeba, which occurs naturallyin freshwater, since 2015. The department samples public drinking water systemseach summer when temperatures rise, and has collected 540 samples since 2013,the department said in a news release.

相关部门在一份新闻中透露，变形虫是该州水质检测的一项，2015年在该州自然水域发现了变形虫，每年夏天温度上升后，相关部门从公共饮水系统中抽样，自2013年以来已经抽取540份水样。

The amoeba was found in a sample taken from a fire hydrant atthe same location that tested positive for the amoeba two years ago, CBSaffiliate WWL reports.

WWL 报道称，此次变形虫发现于一个消防栓中，地点与两年前一样。

The Centers for Disease Control and Prevention says residentswho use the water system should not let water go up the nose when bathing orswimming in small pools. In addition, people should not put their heads underbath water or allow children to play unsupervised with hoses or sprinklers.

美国疾控中心告诫居民，使用自来水时，应避免在坐浴或游泳时让水经过鼻子，避免小孩子在无人监管情况下玩软水管或洒水器。

Residents should run bath and shower taps and hoses for fiveminutes before use to flush out the pipes, especially the first time after thewater utility raises the disinfectant level.

居民在用水之前，应打开龙头放水5分钟以冲掉管道中寄存的水。尤其是供水系统提高杀毒剂浓度后首次用水。

Residents should continue the precautions until testing nolonger confirms the presence of the amoeba. The water system will notifyresidents when that occurs.

居民应采取持续防范措施，直到供水系统通知居民不再检测到该病源。

Some residents told WWL that they are concerned.

一些居民告诉WWL他们非常担心。

"It's scary. You don't hear about them a lot," saidBernadee Pitre. "(I'm) definitely going to be more careful about that."

“太可怕了，以前都没怎么听说过这东西，”Bernadee Pitre 说，“我绝对会小心的。”