India, June 7 -- A 71-year-old woman in Texas died from a deadly brain infection caused by a microscopic amoeba. The amoeba, which came from her tap water, reached her brain after she used the water for a nasal rinse. According to a report by the US Centers for Disease Control and Prevention (CDC), the woman used a nasal irrigation device filled with unboiled tap water, which led to the fatal infection.

The CDC report stated that the woman had used water from her RV at a campground. The water was inadequately disinfected and contained Naegleria fowleri, a brain-eating amoeba.

The report noted that the otherwise healthy woman developed seizures and, despite receiving medical treatment, died eight days after the onset of symptoms. Laborat...