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Brain - feeding - ameba infection are extremely rare , but when they do light upon , they are almost always baneful , killingaround 97 % of victims .

Such contagion are triggered by free - life ameba , such asNaegleria fowleri , which unremarkably subsist insoil and warm fresh weewee , such as lake , pond and red-hot bound .

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Although it is technically possible to get a brain-eating-amoeba infection from tap water, experts say the risk is very low.

If water supply contaminate withN. fowlerigets into the olfactory organ — for example , when someone dives or jumps into urine — these amoebas can travelvia the olfactory nerve to the brain . There , they begin destruct encephalon tissue , triggeringinflammationthat can make a condition call primary amoebic meningoencephalitis ( PAM ) . Patients with PAM unremarkably end up in a coma and pall within five days after their symptoms begin .

have-to doe with : Rare ' brainpower - eating ' amoeba infection behind demise of 2 - year - old in Nevada

But can you acquire a brain - eating - ameba transmission from tap water supply ?

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The short result is no — assume the tap urine is properly disinfect .

" Tap water is an almost - unheard - of beginning of these infections,“Dr . William Schaffner , a professor of preventive medicine at Vanderbilt University Medical Center in Tennessee , told Live Science . That ’s because schematic water tap water from your metropolis or community water supplying is ordinarily filtered and treated with Cl , he said . Indeed , one part per million of innocent atomic number 17 is enough tokill 99.9 % of the amoebasin urine within nine minutes .

However , there are a couple of exceptions . the great unwashed who use neti pots to rinse off their nose , for instance , may unexpectedly contaminate the tap water they add to it if their finger have residual bit of dirt that contains the amoebas . If the sens is n’t thoroughly cleaned before role , they may terminate up inhaling this pollute H2O up their nozzle .

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Additionally , in rural areas , people may get their water from wells that are untreated . Again , if they then use a neti pot , or forcefully breathe in this untreated water , N. fowlerimay get into their nose and lead to infection , Schaffner say .

There have been case in the U.S. where multitude have gottenbrain - eating - amoeba infections via pat body of water , Dennis Kyle , director of the Center for Tropical and Emerging Global Diseases at the University of Georgia , told Live Science . However , this is usually because thewater was not the right way chlorinated , he said .

' brainiac - eating ' ameba contagion are well-nigh always fateful . But could new treatments change that ?

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interpret more :

— 7 scary diseases you’re able to get from the water

— ' Brain - feeding ' infections could become more vulgar , scientist warn

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— This is what it ’s like to treat a ' nous - eating ' ameba infection

Elsewhere in the domain — for instance , in Pakistan — there have been reported cases of people being infect withN. fowleriafter cleaning their nose with polluted weewee duringritual ablutions , or cleaning ceremony , Kyle said .

" There ’s so much we do n’t know about these amoebae that we really have to learn : better tests for diagnosis and more effective drugs , " he contribute . " But tap water should be safe if it ’s decent chlorinated . "

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This article is for informational purposes only and is not mean to propose aesculapian advice .

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