Brain-eating amoeba detected in Texas city’s water supply after 6-year-old contracts parasite and dies

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by: Associated Press Posted: Sep 29, 2020 / 08:38 AM PDT / Updated: Sep 29, 2020 / 08:52 AM PDT

HOUSTON, Tex. (AP) — A Houston-area official says it will take 60 days to ensure a city drinking water system is purged of a deadly brain-eating amoeba that led to warnings over the weekend not to drink tap water following the death of a child.

Earlier this month, 6-year-old Josh McIntyre died after contracting the microbe. The investigation into his death led to the detection of the naegleria fowleri microbe after heath officials conducted water sample tests, Lake Jackson City Manager Modesto Mundo said in a news release Saturday.

This undated photo provided by Maria Castillo shows her son Josiah McIntyre. (Courtesy of Maria Castillo via AP)
This undated photo provided by Maria Castillo shows her son Josiah McIntyre. (Courtesy of Maria Castillo via AP)

Three of 11 sample tests indicated preliminary positive results for the brain-eating microbe, with one sample coming from the boy’s home hose bib, Mundo said Monday.

He says Lake Jackson residents are urged to boil their tap water before using it.

The authority initially warned eight communities not to use tap water for any reason except to flush toilets, but on Saturday it lifted that warning for all communities but Lake Jackson. The city of more than 27,000 residents is the site of the authority’s water treatment plant. The advisory also was canceled for two state prisons and Dow Chemical’s massive Freeport works.

Naegleria fowleri is a free-living microscopic amoeba, or single-celled living organism commonly found in warm freshwater and soil, according to the U.S Centers for Disease Control and Prevention. It usually infects people when contaminated water enters the body through the nose. From there it travels to the brain and can cause a rare and debilitating disease called primary amebic meningoencephalitis.

The infection is usually fatal and typically occurs when people go swimming or diving in warm freshwater places such as lakes and rivers. In very rare instances, naegleria infections may also occur when contaminated water from other sources (such as inadequately chlorinated swimming pool water or heated and contaminated tap water) enters the nose.

The contamination of U.S. treated public water systems by the microbe is rare but not unheard of. According to the CDC website, the first deaths from naegleria fowleri found in tap water from treated U.S. public drinking water systems occurred in southern Louisiana in 2011 and 2013. The microbe also was found in 2003 in an untreated geothermal well-supplied drinking water system in Arizona, as well as in disinfected public drinking water supplies in Australia in the 1970s and ’80s and in 2008 in Pakistan.

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