The fatal brain-eating amoeba Naegleria fowleri claimed the life of a Texas woman who used contaminated water in her nasal rinse, as the CDC highlights potential risks.

A Texas woman died from an infection caused by a brain-eating amoeba days after cleaning her sinuses using tap water, according to a Centers for Disease Control and Prevention case report.

A 71-year-old Texas woman died after using RV tap water for a nasal rinse. CDC warns the brain-eating amoeba can be found in any untreated fresh water.