The stir began last month, when New Jersey's Fabrizio Stabile visited a Texas wave pool and tragically ingested the deadly amoeba.
The federal Centers for Disease Control and Prevention is conducting tests on the water at BSR Cable Park, the Waco Tribune-Herald reported, and the park's Surf Resort has closed voluntarily as it awaits the results.
A young surfer has died after contracting a deadly rare brain-eating amoeba in the U.S.
The surfer who passed away was Fabrizio "Fab" Stabile from New Jersey. He died at a hospital in Atlantic City on September 21.
CDC spokesman Kelly Craine told KBTX that her organization was 'currently investigating to find the source'. It's unclear if the park remained closed Sunday morning and the CDC did not immediately respond to a call seeking information on whether others who visited could have Naegleria fowleri.
Infections can happen when contaminated water enters the body through the nose.
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Park owner Stuart E. Parsons Jr. offered his honest condolences to Stabile's family and says the park will continue to comply with the ongoing investigation.
The CDC, along with the Waco-McLennan County Public Health District, is now testing water samples from the surf resort for the presence of the amoeba, CDC spokesperson Candice Burns Hoffmann told the Waco Tribune-Herald.
"We created The Fabrizio Stabile Foundation for Naegleria Fowleri Awareness to bring awareness to, and educate as many people as possible about, this rare and preventable infection".
He tested for Naegleria fowleri, a rare and unsafe amoeba typically found in freshwaters such as lakes and rivers. Later symptoms include stiff neck, confusion, lack of attention, hallucinations, loss of balance and seizures.
He died five days later and tested positive for Naegleria fowleri the day before his death, his family said.
Between 1962 and 2017, there have been 143 known infected individuals reported in the United States - 139 have died, and four have survived.