water disease neagleria fowleri infection
Naegleria fowleri lives in soil and warm freshwater lakes, rivers, ponds, and hot springs around the world. In very rare cases, Naegleria fowleri has been found in poorly maintained swimming pools, splash pads, and other recreational venues. The ameba also has been found in tap water. If water containing the ameba goes up the nose and to the brain, it can cause an infection called primary amebic meningoencephalitis (PAM). Typically, fewer than 10 people a year in the United States get PAM. Nearly everyone who gets PAM dies from it. Signs and symptoms Early symptoms of PAM can include headache, fever, nausea, and vomiting. PAM progresses rapidly. Most people with PAM die within 1 to 18 days after symptoms begin. It usually leads to coma and death after 5 days. As PAM progresses, symptoms can include stiff neck, confusion, lack of attention to people and surroundings, loss of balance, and hallucinations. Exposure risks Brain infections caused by Naegleria fo...